The bus, the lunch, the nurse — what schools really do

The phrase "hidden curriculum" usually refers to the implicit social messages of schooling. A more literal hidden curriculum is the set of services schools deliver that are not on the syllabus. Two meals a day for roughly 30 million children. Daily medication administration for roughly 1.5 million children with chronic conditions. Vision and hearing screenings that identify the children whose families would not have caught the problem otherwise. Dental sealant programs in many districts. Mental health screening through school counselors. Mandatory reporting of suspected abuse. Special education evaluation and service delivery. Speech therapy. Occupational therapy. Transportation, which is itself a major operation — yellow school buses transport roughly 26 million children daily, more than the entire U.S. transit ridership.

Beyond delivering services directly, schools serve as the eligibility and identification gate for nearly every child-directed public program. Free and reduced-price lunch enrollment is the most-used proxy for child poverty in the United States, used by Medicaid outreach, SNAP enrollment, housing assistance, and dozens of state and local programs. Special education evaluations are the route into IDEA services. Title I designation routes federal anti-poverty funds. The school is, functionally, the U.S. census of children. Children who don't attend school — homeschooled children, chronically truant children, children in unregulated arrangements — are invisible to the public-good infrastructure in ways that have consequences.

The school nurse profession in the United States dates to 1902, when Lillian Wald of the Henry Street Settlement persuaded the New York City Board of Health to fund a one-month experiment placing Lina Rogers, a trained public health nurse, across four city schools. At the time, schools were excluding tens of thousands of children annually for contagious skin and eye conditions, and the exclusions disproportionately affected poor immigrant children whose families could not access private care. Rogers treated minor conditions on site and reduced exclusions by 90 percent in her first month. The city expanded the program, other cities followed, and the school nurse profession was established. The model was imitation of public health into education, not the reverse, and the original purpose was reducing absence by treating treatable problems.

The National Association of School Nurses has documented that fewer than 40 percent of American schools have a full-time registered nurse, with substantial variation by state and district wealth. The American Academy of Pediatrics recommends one nurse per school. Some states meet this; many do not. Pennsylvania mandates a school nurse. Texas does not. The schools without nurses rely on health aides, secretaries, or untrained staff to dispense medications and respond to emergencies. The 2019 death of a Tennessee fifth-grader whose asthma attack went unrecognized in a nurseless school is one of several similar incidents. The shortage is most acute in schools serving children with the highest medical needs.

The National School Lunch Program was established in 1946, in part on the rationale that World War II had revealed levels of malnutrition that made many draft-age men unfit for service. Today the program serves roughly 30 million children daily, with breakfast served to roughly 15 million. The Universal Free Meals waiver during the pandemic, which extended free meals to all students regardless of family income, was associated with measurable reductions in food insecurity and is now permanent in a growing number of states. The means-tested version of the program functions but produces stigma, administrative burden on low-income families, and inconsistent uptake. The universal version functions better.

Roughly 26 million American children ride school buses daily. The yellow bus system is the largest mass transit operation in the country by ridership, and the buses, drivers, and routes are funded entirely by school districts. Districts without adequate transportation funding cut routes, lengthen rides, or charge fees that price out the families with the least transportation alternatives. Chicago's elimination of dedicated busing for many magnet and selective enrollment schools in the early 2020s, framed as a budget necessity, in practice made those schools accessible only to families with cars and time, restructuring access to high-performing public schools along family-resource lines.

The American School Counselor Association recommends a student-to-counselor ratio of 250 to 1. The national average is 415 to 1, with many states above 600 to 1. Children's mental health crises, rising since the early 2010s and accelerated by the pandemic, increasingly arrive at schools because schools are the only institution most children encounter that has any infrastructure for response. Counselors are not therapists, but they are the triage point for referral to outside services and, for many children, the only adult who notices the crisis. Districts that have invested in lower ratios produce measurable outcomes; districts that have not produce the daily news stories.

The Individuals with Disabilities Education Act (1975) guarantees a free, appropriate public education to children with disabilities, with services tailored through an individualized education program. The federal government originally promised to fund 40 percent of the additional cost. It has never funded more than about 15 percent. The remainder falls on districts, which means high-need students in low-wealth districts receive less of the entitlement they are legally owed. The litigation that this produces is the chronic background music of district legal departments, and the gap is one of the clearest examples of federal mandate without federal funding shaping the realities of school operations.

The March 2020 school closures were the moment when the non-instructional functions of school became newly visible to a public that had treated them as background. Suddenly the question was not how children would learn algebra remotely but how they would eat, whether the lunch distribution would reach the families it had reached. Mental health services collapsed for many adolescents. Special education families pursued lawsuits over services not delivered. Health screenings stopped, vision and hearing problems went undetected, immunization rates dropped. The closures lasted varying lengths of time and reopened with varying levels of damage. The lesson — that schools are the load-bearing infrastructure of American childhood — was learned by some and forgotten by others.

Jonathan Kozol's Savage Inequalities (1991), Amazing Grace (1995), and The Shame of the Nation (2005) document the physical conditions of schools serving the poorest American children. Broken plumbing. Failed heat. Unsafe drinking water. Asbestos. Lead paint. Rodent infestations. Classrooms with leaking roofs. The point is not that all poor districts have these conditions; it is that the variation across American schools in basic physical adequacy is far larger than any peer country tolerates, and that the inadequate buildings are concentrated in the districts whose children have the fewest alternatives. The bus, the lunch, the nurse all operate within the building, and when the building fails, the services fail with it.

A partial answer to the nurse shortage and the broader child healthcare access problem is the school-based health center: a clinic operating in or attached to a school, staffed by a nurse practitioner or physician, providing primary care to enrolled students. Roughly 2,500 such centers operate nationally, serving about 6 million children. The model works: enrolled students have fewer emergency room visits, better-managed chronic conditions, higher attendance. The model is rare because the funding is fragmented across Medicaid, school budgets, federal grants, and philanthropy, and because expansion requires coordination across health and education systems that rarely coordinate.

A district budget that reflected what schools actually do would itemize the instructional spending (teachers, books, technology) separately from the wraparound spending (food, transportation, health, mental health, social work, special education) and report both clearly to the public. The current convention bundles everything under "education spending" and then debates per-pupil costs as if they were a single number representing a single function. A more honest convention would let voters and parents see that, in a typical district, perhaps two-thirds of the budget is direct instruction and one-third is the social services infrastructure the school has absorbed. The debate about funding would then be more usefully about which functions to fund where, rather than about an aggregate number whose composition is opaque.

If American society wanted to relieve schools of the seven-jobs burden, the alternatives are known: universal pediatric primary care, free school meals as a right, universal pre-K and after-school care, robust public transit, public mental health services accessible to families, generous paid parental leave. Most peer countries provide most of these. The United States provides few of them and uses the school as the patch. The patch is one of the better-performing institutions in American public life, which is partly why the country has not invested in the alternatives. The risk is that asking the school to keep doing everything eventually exhausts the institution's ability to do anything well.

1. Kozol, Jonathan. Savage Inequalities: Children in America's Schools. New York: Crown Publishers, 1991.

2. Kozol, Jonathan. The Shame of the Nation: The Restoration of Apartheid Schooling in America. New York: Crown Publishers, 2005.

3. National Association of School Nurses. School Nursing: Scope and Standards of Practice. 3rd ed. Silver Spring, MD: American Nurses Association, 2017.

4. Wald, Lillian D. The House on Henry Street. New York: Henry Holt and Company, 1915.

5. U.S. Department of Agriculture, Food and Nutrition Service. The National School Lunch Program: Background, Trends, and Issues. Washington, DC: USDA, 2021.

6. Coleman, James S., et al. Equality of Educational Opportunity. Washington, DC: U.S. Government Printing Office, 1966.

7. Knopf, John A., Robert L. Hahn, Theresa Ann Proia, et al. "School-Based Health Centers to Advance Health Equity: A Community Guide Systematic Review." American Journal of Preventive Medicine 51, no. 1 (2016): 114–126.

8. American School Counselor Association. The Role of the School Counselor. Alexandria, VA: ASCA, 2019.

9. Putnam, Robert D. Our Kids: The American Dream in Crisis. New York: Simon & Schuster, 2015.

10. Levin, Henry M., Clive Belfield, Peter Muennig, and Cecilia Rouse. "The Public Returns to Public Educational Investments in African-American Males." Economics of Education Review 26, no. 6 (2007): 700–709.

11. Engelhard, Carolyn L., and Arthur Garson. Public Health Nursing: The First Hundred Years. Charlottesville: University of Virginia, 2002.

12. Dunkle, Margaret. The Hidden Health Care System: How Schools Address Student Health. Washington, DC: Center for Health and Health Care in Schools, 2009.