Claims

NISL-trained principals' schools outperformed comparable non-NISL schools in student achievement over a 4-year period

Claim · All claims
Evidence · 1 study · review r2 · q2
Currency · newest study 2017 · 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? After controlling for student characteristics and prior school achievement trends, schools led by NISL principals outperformed comparable schools led by non-NISL principals in student achievement over the 4-year period studied. → Sutcher 2017

Evidence

Sutcher 2017

Sutcher, L., Podolsky, A., & Espinoza, D. (2017). Supporting principals' learning: Key features of effective programs. Palo Alto, CA: Learning Policy Institute. https://learningpolicyinstitute.org/product/supporting-principals-learning

q2 · i? · review · r2

The report's profile of the National Institute for School Leadership Executive Development Program cites multiple studies finding NISL schools "outperform comparable schools led by non-NISL principals" in achievement. The program trains principals in cohorts of around 25 or 30 over 24 days across 12 to 18 months at a reported cost of $4,000 per candidate.

"Multiple studies have found that after controlling for student characteristics and prior school achievement trends, schools led by NISL principals outperform comparable schools led by non-NISL principals in student achievement over the 4-year period studied."

Discussion

Page metadata
Field Value
type claim
id nisl-principals-student-achievement-gains
title NISL-trained principals' schools outperformed comparable non-NISL schools in student achievement over a 4-year period
description NISL-trained principals' schools outperformed comparable non-NISL schools in student achievement over a 4-year period
status review
evidence_strength weak
newest_evidence 2017
generated by process:wiki-ingest on 2026-10-10
trust unverified — no one has confirmed this page's content
sources 1 — sutcher-2017

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