How to analyse your school's performance data

Data analysis of pupil performance is a key part of understanding attainment and improving outcomes. Get to grips with how to go about it, including what to focus on and how to analyse data from ASP and IDSR.

Last reviewed on 10 October 2023
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  1. Use these performance data tools and sources
  2. Ask yourself these questions
  3. Using ASP
  4. Your inspection data summary report (IDSR)

We worked with 3 education experts – David Driscoll, Brendan Hollyer and Ben White – to write this article.

Use these performance data tools and sources


There are various tools that allow you to analyse different performance data, such as:

  • Analyse School Performance (ASP) for headline measures
  • The inspection data summary report (IDSR) for contextual information and performance data
  • The Department for Education (DfE) school comparison tool to compare exam and test results with other schools
  • Local models for analysis, such as local authority (LA) or academy models
  • Purchased models linked to schemes of work


You can use data from:

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