Claims

A district math administrator reported that schools supported by coaches with mathematics expertise showed greater gains and stronger collaborative structures than schools without such support

Claim · All claims
Evidence · 1 study · design r1 · q1
Currency · newest study 2019 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · 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.

q1 i? A Long Beach math administrator reported that schools supported by math-expertise coaches built stronger collaborative structures and showed greater gains in student math achievement than schools without this support. → Perry 2019

Evidence

Perry 2019

Perry, R., Marple, S., & Reade, F. (2019). Roadblocks and routes: Professional development in Math in Common districts. San Francisco, CA: WestEd. https://www.wested.org/permissions

q1 · i? · design · r1

Self-report by one district math administrator in Long Beach, quoted in the report: coach-supported schools showed "greater gains in student math achievement" and more frequent use of practices like productive struggle and academic discourse. Anecdotal, no effect size printed.

"schools that were supported by coaches with math expertise were able to build stronger collaborative structures and show greater gains in student math achievement, increases in teachers' confidence, and more frequent use of common instructional practices"

Discussion

Page metadata
Field Value
type claim
id math-expertise-coaches-associated-greater-gains
title A district math administrator reported that schools supported by coaches with mathematics expertise showed greater gains and stronger collaborative structures than schools without such support
description A district math administrator reported that schools supported by coaches with mathematics expertise showed greater gains and stronger collaborative structures than schools without such support
status review
evidence_strength weak
newest_evidence 2019
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-09
trust unverified — no one has confirmed this page's content
sources 1 — perry-2019

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