Students on the four-day school week have lower English language arts and math test scores over time than peers on five-day schedules¶
Claim · All claims
Evidence · 1 study · associationalr2·q2
Currency · newest study 2021 · not yet checked against its sources · not reviewed by a person
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? A comparison of English language arts and math test scores showed that students on the 4dsw have lower scores, over time, when compared with peers on a five-day schedule. → M. Rebecca Kilburn 2021
Evidence¶
M. Rebecca Kilburn 2021¶
M. Rebecca Kilburn, Andrea Phillips, Celia Gomez, Louis Mariano, Christopher Doss, Wendy Troxel, Emily Morton, Kevin Estes. (2021). Does four equal five? Implementation and outcomes of the four-day school week. NWEA Research report. https://www.nwea.org/research/publication/does-four-equal-five-implementation-and-outcomes-of-the-four-day-school-week/ doi:10.7249/rr-a373-1
q2 · i? · associational · r2
Quantitative comparison of ELA and math test scores between students on 4dsw and 5dsw schedules in the multi-state study. The report states "students on the 4dsw have lower scores, over time, when compared with peers on a five-day schedule."
"However, a comparison of English language arts and math test scores showed that students on the 4dsw have lower scores, over time, when compared with peers on a five-day schedule."
Discussion¶
Related Claims¶
- Families and students highly value extra time from the four-day week, and stakeholders report high satisfaction — related
- No quantitative evidence that the four-day school week improved student attendance — related
- Qualitative data support the view that the four-day school week helps attract and retain teachers in rural districts — related
- Four-day school week cost savings are relatively small but may help maintain instructional expenses during revenue shortages — related
- Four-day school weeks have no detectable effect on high school students' ACT scores — reports the opposite
- Four-day school weeks have no detectable effect on high school attendance — related
- Four-day school weeks have no detectable effect on disciplinary incident types other than bullying and fighting — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
four-day-week-lower-ela-math-scores |
title |
Students on the four-day school week have lower English language arts and math test scores over time than peers on five-day schedules |
description |
Students on the four-day school week have lower English language arts and math test scores over time than peers on five-day schedules |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2021 |
generated |
by process:wiki-ingest on 2026-10-08 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — m-rebecca-kilburn-2021 |
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