Professional community within a school environment is associated with a small but significant positive effect on student achievement (d=.25)¶
Claim · All claims
Evidence · 1 study · quant-synthesisr?·q4·i1small
Currency · newest study 2011 · 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.
q4 i1 Meta-analytic synthesis of studies on professional community and student achievement yields a small but significant summary effect of d=.25. → Lomos 2011
Evidence¶
Lomos 2011¶
Lomos, C., Hofman, R. H., & Bosker, R. J. (2011). Professional communities and student achievement - a meta-analysis. School Effectiveness and School Improvement, 22(2), 121-148. https://doi.org/10.1080/09243453.2010.550467
q4 · i1 · quant-synthesis · r?
Meta-analysis pooling studies that investigated the effect of professional community on student achievement. The review reports "a small but significant summary effect (d=.25, p.05)". The abstract states the effect indicates professional community "could enhance student achievement" within a school environment.
"Our meta-analysis reported a small but significant summary effect (d=.25, p.05), indicating that within a school environment professional community could enhance student achievement."
Discussion¶
Related Claims¶
- Schoolwide SEL programs are associated with long-term achievement gains, with multiple meta-analyses estimating an 11-percentile-point gain on average for participating students — related
- One review reports that more teacher guidance within inquiry is associated with larger advantages over traditional instruction, though the two meta-analyses it cites differ in magnitude — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
professional-community-small-significant-achievement-effect |
title |
Professional community within a school environment is associated with a small but significant positive effect on student achievement (d=.25) |
description |
Professional community within a school environment is associated with a small but significant positive effect on student achievement (d=.25) |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2011 |
generated |
by process:wiki-ingest on 2026-10-15 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — lomos-2011 |
Frontmatter is the page's machine-readable record — see the Schema & Guide.