Claims

Attending Green Dot Public Schools produces statistically significant positive effects on high school mathematics achievement (potentially positive effects rating, small extent of evidence)

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2018 · 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.

q2 i? Attending Green Dot Public Schools had a statistically significant positive effect on CST mathematics scores in Algebra I and Geometry in the first year of high school across all three cohorts. → Green Dot Public Schools 2018

Evidence

Green Dot Public Schools 2018

Green Dot Public Schools. (2018). WWC Intervention Report: Green Dot Public Schools, Charter Schools. What Works Clearinghouse, U.S. Department of Education. https://ies.ed.gov/ncee/wwc/InterventionReport/686

q2 · i? · causal · r2

The WWC review reports that the single eligible quasi-experimental study, matching Green Dot students to comparison students via propensity scores, found a "statistically significant positive effect" on first-year CST Algebra I and Geometry scores across all three cohorts. The WWC rating is potentially positive effects based on a small extent of evidence.

"Herman et al. (2012) found a statistically significant positive effect of attending Green Dot Public Schools on California Standards Test (CST) scores in Algebra I and Geometry in the first year of high school for students across all three cohorts."

Discussion

Page metadata
Field Value
type claim
id green-dot-positive-math-achievement
title Attending Green Dot Public Schools produces statistically significant positive effects on high school mathematics achievement (potentially positive effects rating, small extent of evidence)
description Attending Green Dot Public Schools produces statistically significant positive effects on high school mathematics achievement (potentially positive effects rating, small extent of evidence)
status review
evidence_strength moderate
newest_evidence 2018
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — green-dot-public-schools-2018

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