In many large districts, secondary students lost more than a year of instruction per 100 enrolled, up to 416 days in Grand Rapids, MI¶
Claim · All claims
Evidence · 1 study · associationalr2·q2
Currency · newest study 2020 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2025: baselines and conditions change
Subclaims¶
Reading the evidence codes
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This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q2 i? Several large districts exceeded 182 days lost per 100 students, including Grand Rapids, MI (416), Richmond City, VA (352), and Buffalo City, NY (320). → Losen 2020
Evidence¶
Losen 2020¶
Losen, D. J., & Martinez, P. (2020). Lost opportunities: How disparate school discipline continues to drive differences in the opportunity to learn. Learning Policy Institute; Center for Civil Rights Remedies at the Civil Rights Project, UCLA. https://eric.ed.gov/?id=ED608537
q2 · i? · associational · r2
Descriptive district-level analysis of 2015-16 CRDC data identifying large districts where secondary students lost over 182 days per 100 enrolled, with Grand Rapids at 416 days. Rates for Black students and students with disabilities were higher still.
"Each of the following large districts had rates of well more than a year' s worth of school, over 182 days per 100 students."
Discussion¶
Related Claims¶
- Black secondary students lost 103 days of instruction per 100 enrolled, 82 more days than their White peers — related
- Secondary students lose instruction due to out-of-school suspensions at more than five times the rate of elementary students (37 vs. 7 days per 100 enrolled) — a broader claim this one bears on
- Race-by-gender disparities are more pronounced: Black boys lost 132 days per 100 enrolled and Black girls lost 77, seven times the rate of White girls — related
- Students in alternative schools experience extraordinarily high lost-instruction rates, with Black boys losing 235 days per 100 enrolled — related
- Secondary suspension risk declined and the racial gap narrowed slightly since 2009-10, while elementary rates did not decline and some districts saw large increases — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
districts-lost-over-year-instruction-per-100 |
title |
In many large districts, secondary students lost more than a year of instruction per 100 enrolled, up to 416 days in Grand Rapids, MI |
description |
In many large districts, secondary students lost more than a year of instruction per 100 enrolled, up to 416 days in Grand Rapids, MI |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2020 |
recheck_by |
2025 |
generated |
by process:wiki-ingest on 2026-10-10 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — losen-2020 |
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