Justice by zip code: a Rawlsian critique of American public k-12 school funding models

Abstract

This Note examines the moral and legal implications of public education funding in the United States through the lens of John Rawls’ A Theory of Justice. It argues that the property tax-based public school funding model embeds morally arbitrary factors, such as wealth and geography, into the structure of opportunity itself, antithetical to Rawls’ principles of a just society. Applying the ‘veil of ignorance’ and the ‘difference principle’, the Note critiques the constitutional and political frameworks that have allowed these inequities to persist. Through a comparative analysis of Serrano v. Priest and San Antonio Independent School District v. Rodriguez, and by examining state-level cases and international models in Finland and Canada, this Note looks to propose a redistributive approach to education finance that aligns with justice as fairness. Ultimately, it contends that education is not merely a local good, but a national moral obligation, and that a just society must ensure that a child’s chance in life is not determined by the fortune, or accident, of their ZIP code.

I. Introduction

In the United States, the quality of a child’s education depends largely on the value of the homes surrounding their schools. Two children born a few miles apart can receive radically different educational experiences, with one in a well-funded district with small classes and advanced programs, and the other in an under-resourced district struggling to meet basic academic needs. This “geography lottery” has long defined the American public education system, shaping not only academic outcomes but also economic mobility and civic equality.

This reality sits uneasily beside the constitutional promise articulated in Brown v. Board of Education, where the Supreme Court declared that education “is a right which must be made available to all on equal terms.”¹ Brown was formally a case about racial segregation, but it announced a broader commitment: that the state may not structure educational opportunity in ways that systematically disadvantage a class of children. Although Brown led courts to apply heightened scrutiny to race-based school policies, the principle that equality of opportunity is a constitutional and democratic imperative continues to animate debates about class and geography-based disparities. Because race and wealth are closely intertwined in residential patterns, local property-tax funding often reproduces pre-Brown discrimination even without explicit racial classifications. Such consequences raise questions about the adequacy of rational-basis review in cases regarding public school funding.

Congress, too, has long affirmed that equal educational opportunity is not merely aspirational but an existing obligation. Statutes such as the Elementary and Secondary Education Act (1965), Title VI of the Civil Rights Act, Title I funding for high-poverty schools, and the Individual with Disabilities Act (IDEA) collectively reflect a federal recognition that education is essential to full democratic participation and that the government has a responsibility to address inequitable access.² These laws set precedent for a child’s life chances not being predetermined by race, disability, or economic circumstance, yet the nation’s school-finance structure routinely allows wealth, and by extension class and race, to determine educational quality.

Ia. Rawls in Context: The Difference Principle and Educational Inequality

John Rawls’ A Theory of Justice offers a powerful lens for evaluating this systemic contradiction. Rawls invites one to design social institutions from behind a ‘veil of ignorance,’ unaware of one’s race, class, gender, or birthplace. He posits that no rational actor behind the veil would construct a funding system that ties educational quality to neighborhood wealth, particularly given education’s role in securing fair equality of opportunity. Rawls’ difference principle is one of the two core components of his theory of justice, alongside the principle of equal basic liberties.³

It holds that economic and social inequalities are permissible only if they work to the advantage of the least advantaged members of society.⁴ In other words, inequalities are justified only as instruments for improving the position of the least well-off, rather than enriching the already privileged. Yet the property tax-based model entrenched in most states’ legal systems does precisely the opposite: it amplifies class-based inequality and denies equal opportunity to those who require it most.

American courts have long struggled with this tension between formal equality and substantive fairness. In Serrano v. Priest, the California Supreme Court recognized education as a fundamental interest and wealth as a suspect classification under state law, subjecting the state’s funding disparities to strict scrutiny. Contrastingly, the United States Supreme Court’s decision in San Antonio Independent School District v. Rodriguez rejected this line of reasoning and declined to apply heightened scrutiny, holding that education is not a fundamental right under the federal Constitution and that wealth-based disparities do not constitute a suspect class. The resulting patchwork of state-level approaches to education funding reveals a deep moral and doctrinal inconsistency in how the law values education.

This Note situates that inconsistency within a Rawlsian framework of justice. Part II examines Serrano, Rodriguez, and subsequent cases such as Abbott v. Burke to show how judicial reasoning has alternately advanced and retreated from the moral commitments implicit in public education.⁵ Part III applies Rawls’ theory to the design of a hypothetical school funding system conceived behind the veil of ignorance, exploring what justice would demand of such a model. Part IV turns to real-world comparative examples, particularly the nations of Finland and Canada, whose various approaches to centralized funding systems demonstrate that educational equity is not only ethically required but administratively possible. Finally, Part V argues for a reimagined American education finance model grounded in Rawls’ ‘difference principle,’ emphasizing that true equality of opportunity requires redistributive justice, not merely procedural fairness.

II. Case Law Analysis

The unequal structure of public school funding in the United States has repeatedly been challenged in court. Two foundational cases, San Antonio Independent School District v. Rodriguez and Serrano v. Priest, offer contrasting visions of what equal protection requires of education. The holdings of these cases provide crucial legal context for evaluating current funding models, and underscore the Rawlsian concern with structural inequalities rooted in morally arbitrary factors like wealth and geography.

IIa. Serrano v. Priest: State-Level Recognition of Funding Inequality

In Serrano v. Priest, the plaintiffs were a group of public school students and their parents from the Los Angeles area, led by John Serrano, the parent of a student within the low-income Baldwin Park school district.⁶ They brought suit against Ivy Baker Priest, the State Treasurer of California, along with other state officials responsible for administering the state’s school finance system. The plaintiffs argued that California’s heavy reliance on local property taxes violated the Equal Protection Clause of the Fourteenth Amendment and corresponding clauses of the California Constitution, causing vast disparities in educational resources and per-pupil spending between property-rich and property-poor districts.

The California Supreme Court found that, because school funding was heavily dependent on local property wealth, there was “a real and appreciable impact on the fundamental right to education” and thus ruled in the plaintiffs’ favor, holding that the system violated the Equal Protection Clause.⁷ Importantly, the court recognized wealth as a suspect classification and education as a fundamental interest under the state constitution, thereby subjecting the state’s funding model to strict judicial scrutiny.

In philosophical terms, Serrano can be understood as a jurisprudential step toward justice as it exposes how geographic and economic disparities in education are, in a Rawlsian sense, morally arbitrary—that is, they stem from circumstances beyond individual control and should not determine one’s access to opportunity. This interpretation does not claim that the California Supreme Court consciously adopted Rawls’ framework, but instead situates Serrano within a broader theory of distributive justice that rejects the legitimacy of allocating essential public goods according to local wealth.

The decision’s practical significance, however, was sharply constrained by subsequent political developments. In 1978, California voters enacted Proposition 13, which imposed a strict cap on property tax rates and limited the ability of state and local authorities to equalize funding across districts.⁸ By restricting local revenue collection, Proposition 13 entrenched wealth- and geography-based disparities, thus reducing the capacity to redistribute resources to poorer districts.⁹ As a result, the egalitarian potential that Serrano worked toward was largely undermined, illustrating the limits of judicial efforts to remedy structural inequality within broader fiscal and political constraints and highlighting the morally arbitrary factors that Rawls’ difference principle seeks to correct.

IIb: San Antonio Independent School District v. Rodriguez: Federal Limits

The optimism of Serrano stood in contrast to the U.S. Supreme Court’s reasoning just two years later in San Antonio Independent School District v. Rodriguez, where a similar challenge to school finance inequities under the federal Constitution met a very different fate. While Serrano treated education as a fundamental interest and wealth as a suspect classification under state law, Rodriguez rejected both propositions at the federal level, marking a decisive retreat from judicial engagement with education equality.

The plaintiffs were a group of Mexican American parents from the Edgewood Independent School District, one of the poorest districts in San Antonio.¹⁰ They filed a class action suit on behalf of their children and other students in comparable districts, challenging that because property wealth varied widely across districts, more affluent communities could raise substantially more revenue at lower tax rates than less affluent ones, creating significant disparities in per-pupil spending and effectively denying children in low-income areas equal educational opportunities under the Equal Protection Clause of the Fourteenth Amendment.

The Court, in a 5–4 decision, rejected this claim and held that education, while important, is not a fundamental right explicitly or implicitly protected under the federal Constitution. Additionally, the Court reasoned that the Texas funding model did not involve a suspect classification, as the disparities were based on local property wealth rather than an intent to discriminate against a specific class. Therefore, the funding disparities raised by the plaintiffs were subject only to rational basis review, which they survived.¹¹

The Rodriguez decision effectively limited the role of the federal judiciary in mandating equitable school funding, signaling that the Equal Protection Clause does not guarantee equal school funding levels or outcomes. By leaving the issue largely to the states, academic success is inconsistent nationwide.¹² The Court emphasized federalism and the value of local control, closing the door to federal constitutional remedies for funding inequality and shifting the burden to state courts and legislatures. It highlights a tension between constitutional originalism and moral theory: while the Court adhered to strict interpretational boundaries, it failed to address the deeper ethical question of what a just education system requires.

IIc. The State Court Trend: Cautious Progress

Lower courts have also weighed in on the issue, with many litigants looking to bridge the issue between state constitutions, which often provide stronger guarantees for education, and the practical realities of funding. In Abbott v. Burke, the New Jersey Supreme Court held that the state’s education funding system failed to provide a “thorough and efficient” education to students in poorer districts, violating the state’s constitution.¹³ The case resulted in mandated supplemental funding and reforms to ensure adequacy, not just equality, in education financing.

In Campaign for Fiscal Equity v. State (New York), the courts emphasized a state’s obligation to provide a “sound basic education,” and mandated more equitable funding.¹⁴ Such cases reveal the challenges of achieving equitable school funding within the existing legal framework. Rodriguez set a high bar for federal intervention, while Serrano and similar state cases demonstrate the potential for judicially mandated redistributive funding reforms.

III. Discussion and Application

The contrast between Serrano v. Priest and San Antonio Independent School District v. Rodriguez highlights a fundamental tension in American education law: whether equality in schooling should be formal and treat all students equally under the law, or substantive, ensuring that students have genuinely comparable opportunities to succeed regardless of geography or socioeconomic status. The Rodriguez court’s deferential position toward local control favors the former approach of formal equality, allowing wealth and ZIP code to become determinative of educational opportunity. From a Rawlsian perspective, this outcome fails the veil of ignorance test, as no rational actor would design a society in which their life prospects hinge on factors beyond their control, such as the property values of the neighborhood into which they were born.

The practical consequences of the divergent judicial philosophies in the aforementioned cases are evident in contemporary educational outcomes. Geography-based disparities persist, with high-poverty districts facing systemic underfunding despite efforts at state-level equalization.¹⁵ Federal programs like Title I provide limited relief, but the absence of a national mandate for equitable funding leaves systemic inequities largely unaddressed. A Rawlsian analysis interprets this situation as morally unacceptable, as a just society would ensure that inequalities in educational opportunity only exist to improve the condition of the least advantaged, rather than strengthen existing hierarchies.

Consider a hypothetical society asked to design its education funding system from behind the veil of ignorance. No one knows whether they will be born into a wealthy suburb or a rural township, into privilege or poverty. Rational actors, aware that education profoundly shapes life prospects, would design a funding model that does not depend on local tax capacity. Instead, they would create a centralized or pooled system ensuring that every child receives an education of equal quality, with additional resources directed toward those facing greater barriers to learning. Such a model would satisfy Rawls’ difference principle: inequalities in funding are permissible only if they improve conditions for the least advantaged.

IIIa. The Current American Funding System and its Implications

Recent analyses of national school finance data demonstrate a sharp post-recession decline in both the adequacy and equity of educational funding in the United States. Between 2008 and 2012, most states reduced the progressiveness of their school spending, leading to measurable differences in teacher wages, staffing ratios, and class sizes.¹⁶ The direct correlation between funding allocation and resource maintenance holds across states. Progressive funding refers to a system in which high-poverty districts receive greater per-pupil resources than wealthier ones, reflecting the greater costs of achieving comparable educational outcomes.

Need-responsive allocations such as these are essential to students in economically disadvantaged communities because they require smaller classes, higher quality teachers, and additional support to have a genuine opportunity to meet shared education standards. As of 2023, over 80% of local and independently generated revenue for public schools comes from property taxes.¹⁷ By reframing equal opportunity as requiring differentiated resources, not merely equivalent dollar amounts, high-poverty districts would receive more equal funding to offset need, fulfilling Rawls’ difference principle and evening the playing field in an educational context.

Most academically successful American states invest in per-pupil spending at a higher rate than the national average, and feature strong state aid in addition to their mixed funding. In Massachusetts, for example, the 2021–2022 school year saw 51.8% of public school funding coming from local sources, 38.4% from the state, and 9.7% from federal sources. Schools and districts with more money more successfully implement both broader and deeper education opportunities at a consistently higher quality.¹⁸ Without adequate funding, schools cannot deliver these benefits, highlighting the moral and practical imperative of need-based allocation.

IV. Comparative and Normative Models of Educational Justice

Comparative models further support a redistributive approach, with several wealthy, democratic nations comparable to the United States having successfully decoupled educational opportunity from local wealth to a significant degree. In Finland, for example, public funding is nearly universal in compulsory education and financed through a partnership between the central government and municipalities, with funding allocated based on student need and local fiscal capacity rather than property values. The central government is responsible for defining and setting education standards nationwide, while municipalities are tasked with maintaining and defining curricula.¹⁹

Municipalities receive central transfers depending on factors such as student enrollment, remoteness, and unemployment rates, which ensures that less affluent areas receive sufficient resources. Teachers are uniformly trained and compensated under national collective agreements, which supports consistency across regions. Pre-primary education is universally available and income-based fees are waived for low-income families, with instruction, materials, meals, and transportation free of charge for all pupils. Participation in pre-primary schooling in Finland has seen a substantial increase, from 28% in 2013 to 40% in 2023 for children under three years old, and from 74% to 89% for children aged three to five, exceeding the OECD average.²⁰

In 2016, lower secondary teachers earned 99% of the average income of a year-round, full-time worker compared to the OECD average of 91%.²¹ Additionally, the general attitude of teachers in Finland is positive, with 58.2% of teachers reporting that they felt their profession was valued in their society in 2018, compared to the then OECD average of 25.8%.²² Thus while the municipal role still exists in the Finnish context, and local tax revenue does contribute, the support offered at the federal level makes a marked difference, with the result being one of the world’s smallest achievement gaps between rich and poor students.

Canada offers another compelling example of how a federal system can structurally reduce the connection between local wealth and educational opportunity. At the heart of Canada’s redistributive efforts is its Equalization Program, which exists to mitigate interprovincial fiscal disparity. Under subsection 36(2) of the Constitution Act of 1982, “Parliament and the Government of Canada are committed to the principle of making equalization payments to ensure that provincial governments have sufficient revenues to provide reasonable comparable levels of public services at reasonably comparable levels of taxation.”²³

Equalization payments are financed entirely by the federal government from general revenues, with provinces not contributing directly, and the payments are unconditional, meaning recipient provinces can allocate the funds according to local priorities.²⁴

While education remains under provincial jurisdiction, most provinces, particularly Ontario, have adopted funding formulas that decouple educational opportunity from local property wealth. Ontario’s core education funding model allocates funds based on enrollment and “unique circumstances” such as socioeconomic need, special education requirements, and geographic factors like remoteness.²⁵ Ontario has done away with local school board property taxes for funding, instead pooling revenue and redistributing it to boards according to these weighted formulas.²⁶ Although per-student funding still varies (in 2021–2022, for example, some school boards received as low as CA$11,700 per student while others received over CA$35,000 per student) the formula ensures that disparities reflect student needs rather than local wealth.²⁷

By pooling revenue at the provincial level, Canada avoids the extreme disparities characteristic of American localism while maintaining regional flexibility. From a Rawlsian perspective, Canada’s system approximates what a rational actor might design behind the veil of ignorance. By providing resources according to need and attempting to mitigate geographic disparities through equalization transfers, Canada’s system serves as a real-life case study of the difference principle, and although variation remains between provinces, the model demonstrates that a large, diverse democracy can achieve substantial educational equity without completely sacrificing local control.²⁸

Countries like Finland and Canada demonstrate that equity and excellence are not mutually exclusive. These systems reveal that redistributive approaches are not merely far-fetched philosophical ideals, but also practical governance strategies that enhance both fairness and educational outcomes. Ultimately, the Rawlsian framework emphasizes that education is not merely a private benefit but a public good critical to fulfilling citizenship and social stability. Working towards a just society means actively structuring institutions so that moral arbitrariness does not dictate any one person’s chance in life. In the American context, this requires combining insights from cases like Serrano, careful policy design, and persistent political engagement to ensure that equality in education is substantive, and not merely formal.

V. Toward a Rawlsian Model of Reform

A Rawlsian model of education reform begins from the premise that public education is not merely a social service but a primary good—that is to say that to be educated is foundational to citizens developing and exercising their opportunities. Rawls identifies primary goods as those “all citizens need as free and equal persons,” including opportunities, income, and the social bases of self-respect.²⁹ Education, particularly K–12 education, sits at the center of this category, as it is the institutional mechanism through which society distributes the skills, literacy, civic competence, and developmental foundations needed to participate as an equal in everyday life.

The American public school funding system, as it currently stands, fails the two most basic Rawlsian tests: it allows morally arbitrary factors to determine the quality of education and, by extension, a child’s life prospects, and it perpetuates inequalities that undeniably harm the least advantaged rather than improving their prospects. A Rawlsian model of reform would reverse these dynamics by designing funding structures that treat educational opportunity as a national moral obligation and prioritize the needs of the least advantaged students, ensuring that inequalities in funding exist only insofar as they increase the opportunities of those facing the greatest barriers to learning. Such a model emphasizes not the elimination of all difference, but a systemic restructuring that operates in favor of those facing the greatest barriers.

Rawls distinguishes formal equality of opportunity (meaning no explicit legal barriers) from fair equality of opportunity (conditions that allow children to have comparable life chances).³⁰ Because residential segregation, wealth disparity, and fiscal limits impact a child’s opportunities long before they enter a classroom, a Rawlsian system would require structural correction instead of merely neutral rules. Fair equality of opportunity, in this academic context, requires dismantling the chain linking ZIP code to district wealth. In practice, this may look like 1) substantial state-or-federal-level equalization of school revenue, 2) guaranteed minimum educational resource quality across all districts within a state, specifically in regard to educators and their credentials, and 3) strong guidelines and oversight to maintain equity.

Va. A Justice-Oriented Structure for American Schooling

The first pillar of a Rawlsian model of reform is a shift toward progressive, need-responsive funding formulas. Because the current property-tax-based model ties school quality to residential wealth (a morally arbitrary factor) it fails both fair equality of opportunity and the difference principle. A Rawlsian approach would require that federal and state governments counterbalance such disparities with redistributive formulas.

Research shows that increases in funding to low-income districts correlate with improved graduation rates, college attendance, and lifetime earnings.³¹ Here, comparative systems provide workable examples. Finland’s national framework accounts for municipal fiscal capacity, student needs, and geographic challenges. Canada’s provincial systems employ similar distribution formulas, as displayed in data from the province of Ontario, ensuring that socioeconomic disparities do not lead to the deprivation of academic access. Such models demonstrate that redistributive mechanisms are administratively feasible and can substantially reduce achievement gaps.³²

In practice, this would mean allocating state and federal resources in ways that counterbalance disparities in local tax revenues, ensuring that districts with higher poverty rates receive more per-pupil funding.

Second, because teacher quality is one of the strongest in-school predictors of student outcomes, Rawlsian justice requires that the least advantaged students have access to highly trained, consistently compensated educators. The United States’ fragmented model produces a wide variation in teacher salaries, certification requirements, and curricula quality, all of which compound funding inequality. In contrast, Finland and Canada’s centralized teacher salary agreements reduce regional disparities and incentivize teacher retention and contentment. In the United States, variation in teacher quality and staffing ratios exacerbates inequities created by local revenue dependence. A Rawlsian approach would require federal or state-level oversight to ensure that every school, regardless of location, has access to well-trained and adequately compensated educators.

A Rawlsian system would provide guaranteed free access to essential educational supports including textbooks, learning materials, school meals, transportation, and special education services. These supports directly affect a student’s ability to learn and therefore constitute primary goods that must be distributed in an equitable way. Finland’s distribution of free learning materials, meals, and health services for all students demonstrated measurable reductions in achievement disparities, fortifying Rawls’ claim that social institutions must be structured to maximize access to the least advantaged.

Finally, a Rawlsian redistributive framework should be paired with institutionalized accountability mechanisms that evaluate not only resources but outcomes. Rawlsian theory does not guarantee equal results, but the focus of this philosophical lens is to make strides toward closing achievement gaps nationwide. This requires institutions to assess resource disparity and staffing inequalities, among other markers, and mandated state or federal intervention when disparities persist. Redistribution without oversight risks perpetuating inequities despite higher funding levels.

Vb. Courts, Legislatures, and Feasibility

A Rawlsian education system reform is ambitious, but elements of it are already existent within U.S. constitutional and state doctrines. While San Antonio Independent School District v. Rodriguez closed a federal fundamental rights pathway, the majority of state constitutions impose duties on their respective legislatures to upkeep equitable or adequate public education systems.³³ Rawlsian reform therefore does not require inventing new legal theories, it only requires deepening equity jurisprudence so that state courts evaluate school finance systems according to whether they promote fair equality of opportunity and materially improve conditions for the least advantaged.

Implemented together, the above pillars form a Rawlsian model that would transform the American school finance system from a decentralized, wealth-dependent structure into one grounded in justice as fairness. The ultimate goal is to ensure that all are lifted equitably within the schooling system. Such a model does not promise perfect equality, as the comparative models have shown, but it ensures that disparities in educational opportunity work to serve those who need it. The end goal is that no American child’s educational, and life, prospects depend on geographical wealth—a normative benchmark that is proven to be judicially enforceable, should such legislation pass. In this sense, a Rawlsian model offers both an equitable, and practically attainable, route toward an American education system that would transform education from a localized commodity into a national moral obligation.

Edited by Annie Cayer and Emma Morgan

About the Author

Sofia Flores is a third-year student at Northeastern University pursuing a major in History, Culture, and Law with a minor in Philosophy. She serves as both a Print Writer and Director of Communications of the Northeastern University Undergraduate Law Review, and has previously worked as a Digital Writer. Through her writing, she engages legal questions through a philosophical lens, including her prior note, Justice by ZIP Code: A Rawlsian Critique of American Public K-12 School Funding Models, which applies Rawlsian principles to examine inequalities in public education funding. In her role as Director of Communications, she works to expand the publication’s reach through media engagement and event planning.

Her academic interests are grounded in law, history, and philosophy, particularly in using philosophical frameworks to interrogate legal systems and their impact on marginalized communities. She is also involved in advocacy work, including with the ACLU Action Team and the local MSPCA, and is committed to advancing conversations around justice, accountability, and human rights.

Outside of her academic work, Sofia enjoys reading across several genres, cooking foods from around the world, traveling and exploring new places, and stopping to pet nearly every dog she sees.

Notes from the Author

One response to “Justice by zip code: a Rawlsian critique of American public k-12 school funding models”

Northeastern Undergraduate Law Review

March 30, 2026

This is awesome!

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