Claims

Students in alternative schools experience extraordinarily high lost-instruction rates, with Black boys losing 235 days per 100 enrolled

Claim · All claims
Evidence · 1 study · associational r2 · q2
Currency · newest study 2020 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · not reviewed by a person · overdue for a recheck since 2025: baselines and conditions change

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? In the nation's alternative schools (excluding juvenile justice schools), Black boys lost 235 days per 100 students and boys with disabilities lost 170 days per 100 at the secondary level. → 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

First-of-its-kind descriptive analysis of 2015-16 CRDC data for alternative schools, excluding juvenile justice system schools, quoting the printed per-group rates. The report calls this the first documentation of alternative schools' lost-instruction rates.

"Black boys lost 235 days per 100 students. Black girls lost 156 days per 100 students. Boys with disabilities lost 170 days per 100 students."

Discussion

Learner Variables

Page metadata
Field Value
type claim
id alternative-schools-extreme-lost-instruction
title Students in alternative schools experience extraordinarily high lost-instruction rates, with Black boys losing 235 days per 100 enrolled
description Students in alternative schools experience extraordinarily high lost-instruction rates, with Black boys losing 235 days per 100 enrolled
status review
evidence_strength moderate
newest_evidence 2020
source_checked 2026-10-20
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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