Yes, universities in the United States are generally tax exempt. Private nonprofit universities qualify under Section 501(c)(3) of the Internal Revenue Code, and public universities are exempt as arms of state government under Section 115, with many also holding separate 501(c)(3) recognition. That status wipes out federal income tax on tuition, donations, and mission-related revenue, and it usually clears state income tax, local property tax, and sales tax on qualifying purchases. It does not wipe out everything. Universities still pay payroll taxes, still owe tax on business activities unrelated to education, and the wealthiest private schools face a sharply higher tax on their endowment earnings starting in 2026.
How the Exemption Works
The legal route to exemption depends on whether the school is private or public. Private nonprofit universities qualify under IRC Section 501(c)(3), which covers organizations operated exclusively for educational, charitable, scientific, or other recognized exempt purposes.1Internal Revenue Service. Exempt Purposes – Internal Revenue Code Section 501(c)(3) The institution must be organized around its educational mission, and none of its net earnings can flow to any private individual or shareholder.
Public universities sit on different legal footing. As arms of state government, they draw their core exemption from the principle of intergovernmental immunity, reflected in IRC Section 115, which excludes from gross income any revenue a state or its political subdivisions earn from essential governmental functions.2Office of the Law Revision Counsel. 26 USC 115 – Income of States, Municipalities, Etc. Running a public university counts. Many public universities also seek separate 501(c)(3) recognition, which gives them clearer eligibility to receive tax-deductible charitable donations and removes any ambiguity about their tax treatment.
What the Exemption Covers
The federal income tax exemption is the biggest piece. Revenue from tuition, charitable donations, investment returns, and activities directly connected to the educational mission is not subject to federal income tax.
State and local tax breaks usually follow. Most states exempt qualifying educational institutions from state income tax. Property taxes on university-owned land and buildings used for educational purposes are waived in nearly every jurisdiction. Universities also typically avoid state and local sales tax on purchases tied to their exempt functions. Specific rules and documentation requirements vary by state.
What Universities Still Pay
Tax-exempt status is narrower than it sounds. Several categories of tax still apply, and for large research universities the dollar amounts can be significant.
Payroll Taxes
Universities pay payroll taxes on employee wages, including their share of Social Security and Medicare contributions, the same as any employer.
Unrelated Business Income Tax
When a university runs an ongoing business that has nothing to do with education, the profits are taxed like any for-profit company’s. The IRS calls this unrelated business income, and the rule exists to keep tax-exempt organizations from using their status to compete unfairly with taxable businesses.3Internal Revenue Service. Unrelated Business Income Tax
Three conditions must all be present: the revenue comes from a trade or business, the activity is regularly carried on rather than occasional, and it is not substantially related to the university’s educational mission.3Internal Revenue Service. Unrelated Business Income Tax Typical examples include hotel rooms rented to the general public, advertising sold in university publications, campus fitness center memberships sold to non-students, and gift shop sales of items with no educational connection.
Not everything counts. Passive investment returns like dividends, interest, royalties, and rent from real property are specifically excluded, as is research income at colleges and universities and research conducted for federal or state government agencies. That is why endowment earnings and licensing royalties typically stay untaxed even though they are not directly educational.
Unrelated business income is taxed at the 21% corporate rate, because IRC Section 511 directs that the tax be computed under the same rules that apply to taxable corporations.4Office of the Law Revision Counsel. 26 U.S. Code 511 – Imposition of Tax on Unrelated Business Income of Charitable, Etc., Organizations Any exempt organization with $1,000 or more in gross unrelated business income must file Form 990-T, and those expecting to owe $500 or more must make estimated payments through the year.3Internal Revenue Service. Unrelated Business Income Tax
The Endowment Excise Tax
Large private universities face an additional tax that public schools do not. IRC Section 4968 imposes an excise tax on the net investment income of private colleges and universities with substantial endowments. Beginning in 2026, the tax uses a tiered structure based on how much endowment wealth the institution holds per student:
- 1.4% when the per-student endowment falls between $500,000 and $750,000.
- 4% when the per-student endowment is above $750,000 but no more than $2,000,000.
- 8% when the per-student endowment exceeds $2,000,000.
Those rates are a sharp jump from the flat 1.4% that applied before 2026.5Office of the Law Revision Counsel. 26 USC 4968 – Excise Tax Based on Investment Income of Private Colleges and Universities The per-student figure is calculated by dividing the fair market value of the institution’s non-exempt-use assets by total enrollment. Assets used directly for educational purposes, like classroom buildings, are excluded.
The tax only reaches institutions that meet specific criteria. The university must have at least 3,000 tuition-paying students (raised from 500 under prior law), more than half of those students must be in the United States, and the institution must be a private college or university. Public universities are explicitly carved out.
Excise Tax on Executive Compensation
IRC Section 4960 imposes a flat excise tax on any tax-exempt organization that pays a covered employee more than $1,000,000 in remuneration in a taxable year. The rate equals the corporate income tax rate, currently 21%, and it applies to the amount over the $1,000,000 threshold. Excess parachute payments to departing employees also trigger the tax.6Office of the Law Revision Counsel. 26 U.S. Code 4960 – Tax on Excess Tax-Exempt Organization Executive Compensation For universities with highly paid football coaches, medical school deans, or investment officers, this tax is a real recurring cost.
What Tax-Exempt Status Means for Donors
Donations to a university with 501(c)(3) status are tax-deductible for the donor, which is one reason schools work to keep the designation. For cash gifts to public charities, itemizing donors can deduct contributions up to 60% of their adjusted gross income. Gifts of appreciated property like stock are generally deductible up to 30% of AGI, with unused amounts carried forward for up to five years.
A change took effect in 2026: itemizing donors can now deduct only the portion of charitable contributions that exceeds 0.5% of their AGI. For a household earning $400,000, the first $2,000 of annual charitable gifts produces no tax benefit. The floor applies to all charitable deductions, not just university donations.
When a donor receives something in return, like athletic tickets or a gala dinner, only the portion above the value received is deductible. If the total payment tops $75, the university must give the donor a written disclosure estimating the value of the goods or services provided so the donor can calculate the actual deduction.7Office of the Law Revision Counsel. 26 U.S. Code 6115 – Disclosure Related to Quid Pro Quo Contributions
What Can Cost a University Its Exemption
Exempt status can be lost, and the tripwires are worth knowing.
Filing failures are the simplest way out. Universities with 501(c)(3) status generally file Form 990 annually, and an organization that fails to file for three consecutive years automatically loses its tax-exempt status, effective on the filing due date of that third missed return.8Internal Revenue Service. Automatic Revocation of Exemption
Lobbying has to stay bounded. Under the default “substantial part” test, lobbying cannot be a substantial part of the organization’s overall activities, and an organization that crosses the line can lose its exemption. It and its managers may also owe a 5% excise tax on the lobbying expenditures for the year the status was lost.9Internal Revenue Service. Measuring Lobbying: Substantial Part Test Eligible organizations can elect an alternative under Section 501(h), which swaps the vague standard for concrete dollar limits tied to total exempt-purpose spending, capped at $1,000,000 in lobbying regardless of size, with grassroots lobbying capped at one-quarter of that.
Political campaign activity is treated differently. Section 501(c)(3) organizations, including universities, face an absolute prohibition on participating or intervening in any political campaign for or against a candidate for public office.10Internal Revenue Service. Restriction of Political Campaign Intervention by Section 501(c)(3) Tax-Exempt Organizations No threshold, no safe harbor. Any violation can trigger revocation.
Private benefit and insider enrichment are policed separately. A 501(c)(3) university cannot operate for private interests, and no part of its net earnings may flow to insiders.11Internal Revenue Service. Inurement/Private Benefit: Charitable Organizations Where the issue is excess compensation to an insider, the IRS often uses “intermediate sanctions” rather than revoking status. The person who got the excess benefit owes an initial tax of 25% of the overpayment, any manager who knowingly approved the deal can be taxed 10% up to $20,000, and if the excess benefit is not corrected within the taxable period, the recipient owes an additional tax of 200% of the excess.12Office of the Law Revision Counsel. 26 U.S. Code 4958 – Taxes on Excess Benefit Transactions