"
Skip to Content
Version 1.1 – Updated August 2021

School effects

Overview

  • Influence: School effects
  • Domain: School
  • Sub-Domain: Leadership
  • Potential to Accelerate Student Achievement: Potential to accelerate
  • Influence Definition: There are many possible effects relating to attending school, the differences between schools, and the factors relating to schools. These ‘school effects’ are estimates of the overall effects relating to schooling.

Evidence

  • Number of meta-analyses: 1
  • Number of studies: 168
  • Number of students: 0
  • Number of effects: 168
  • Effect size: 0.48

Meta-Analyses

Meta-Analyses
Journal Title Author First Author's Country Article Name Year Published Variable Number of Studies Number of Students Number of Effects Effect Size
Book Scheerens & Bosker Netherlands The Foundations of Educational Effectiveness 1997 School effects 168 0 168 0.48
TOTAL/AVERAGE 168 0 168 0.48

Confidence

The Confidence is the average of these four measures, each divided into five approximately equal groups and assigned a value from 1 to 5 based on the following criteria:

  • Number of Meta-analyses
    • 1 = 1
    • 2 = 2–3
    • 3 = 4–6
    • 4 = 7–9
    • 5 = 10+
  • Number of Studies
    • 1 = 1–10
    • 2 = 11–50
    • 3 = 51–200
    • 4 = 201–400
    • 5 = 400+
  • Number of Students
    • 1 = 1–2,500
    • 2 = 2,501–10,000
    • 3 = 10,000–20,000
    • 4 = 20,000–100,000
    • 5 = 100,001+
  • Number of Effects
    • 1 = 1–100
    • 2 = 101–300
    • 3 = 301–600
    • 4 = 601–1,200
    • 5 = 1,200+
Confidences
Number of Meta-Analyses Number of Studies Number of Students Number of Effects Overall Confidence
Confidence Factor 1 3 1 2 2
Back to top