The national loss equals about 1.75 days for each affected student
GAO’s nationally representative survey estimated that facility problems caused school cancellations in 19% of public school districts during 2024–25. Those closures affected about 2 million students and produced an estimated 3.5 million lost learning days.
Dividing the two rounded estimates yields about 1.75 lost days per affected student. The calculation describes the affected population, not every U.S. student, and it does not mean each student missed exactly the same number of days.
| Measure | Estimate | 95% confidence interval when published |
|---|---|---|
| Districts canceling school | 19% | 15%–24% |
| Students affected | 2.0M | 1.5M–2.4M |
| Learning days lost | 3.5M | 2.5M–4.5M |
| Districts with chronic issues | 47% | Margin generally ≤ ±7 points |
| Districts calling facilities budget insufficient | 55% | Margin generally ≤ ±7 points |
Chronic problems extended beyond districts that canceled class
GAO estimated 47% of districts had chronic facility issues that often disrupted learning—about two and a half times the share that canceled school. Plumbing emergencies and extreme classroom temperatures were leading cancellation reasons; one visited district reported a closure after classrooms reached 110 degrees.
An estimated 55% of districts said their latest facility budget was insufficient, and 73% of district leaders said limited state formula funding hindered their ability to meet facility needs. Districts with less preventive-maintenance capacity reported more chronic problems and instructional disruption.
The original calculation needs the survey’s uncertainty attached
The derived 1.75-day figure turns two large national totals into a student-level scale that readers can understand. But GAO’s inputs are rounded survey estimates: the student interval ran from 1.5 million to 2.4 million, and the lost-days interval from 2.5 million to 4.5 million.
Using the extreme ends separately would produce a much wider range than the point estimate, so 1.75 should not be treated as a precise national average or a district performance ranking. It is a ratio of GAO’s central estimates.
Method and limitations
GAO obtained a 62% weighted response rate, visited nine districts in Alabama, Maine and Oregon, and reviewed state reports from 2016 through 2026. Unless stated otherwise, survey estimates had a margin of error no greater than seven percentage points.
The newsroom divided the published central estimates and compared the 47% chronic-issue share with the 19% cancellation share. The data do not identify Kern County’s own closure rate, establish that funding alone caused every problem or measure learning recovery after schools reopened.