Claims

8th-grade on-track NSI positively impacted math test scores, moving students from the 37th to the 40th percentile

Claim · All claims
Evidence · 1 study · causal r? · q2
Currency · newest study 2026 · 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? The 8th-grade on-track NSI had a positive impact on math test scores equivalent to moving a student from the 37th to the 40th percentile. → Matthew Johnson 2026

Evidence

Matthew Johnson 2026

Matthew Johnson, Naihobe Gonzalez, Jeffrey Max, Tareena Musaddiq, Sophia Seifert, Michelle Bennett, Ren Schlosser. (2026). Evaluation of the Networks for School Improvement (NSI) Initiative: NSI Impacts on Students and the Aspects of NSI Implementation Related to Impacts: Final Report. Gates Foundation. https://www.mathematica.org/publications/evaluation-of-the-networks-for-school-improvement-initiative-student-outcomes-final-report

q2 · i? · causal · r?

Quasi-experimental comparison of students in 8th-grade on-track NSI schools to similar students in comparable non-participating schools. The report describes the impact as "equivalent to moving a student from the 37th to the 40th percentile"; no standardized effect size is printed.

"The 8th-grade on-track NSI had a positive impact on math test scores equivalent to moving a student from the 37th to the 40th percentile."

Discussion

Page metadata
Field Value
type claim
id 8th-grade-on-track-nsi-math-percentile-gain
title 8th-grade on-track NSI positively impacted math test scores, moving students from the 37th to the 40th percentile
description 8th-grade on-track NSI positively impacted math test scores, moving students from the 37th to the 40th percentile
status review
evidence_strength moderate
newest_evidence 2026
generated by process:wiki-ingest on 2026-10-09
trust unverified — no one has confirmed this page's content
sources 1 — matthew-johnson-2026

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