How Ofsted judges 'overall effectiveness'

Find out how Ofsted measures 'overall effectiveness' so that you're clear on how your school will be inspected under the 2019 framework.

Last reviewed on 4 March 2022
School types: All · School phases: All
Ref: 4410
  1. What is it?
  2. Grade descriptors for 'overall effectiveness'

As a governing board, you don't need to know in great detail how Ofsted inspectors will judge 'overall effectiveness', but you should familiarise yourself with the basics. 

Read our article on how governance will be inspected to be clear about what inspectors will be looking for from you during an inspection.

What is it?

Inspectors must use all of their evidence when evaluating what it's like to attend the school. 

Overall effectiveness is the judgement Ofsted inspectors come to when they've taken into account the 4 key judgements:

Where relevant, they'll also judge the effectiveness of: 

  • Early years education
  • Sixth form provision

In making their judgement, inspectors will also consider:

This is explained in paragraphs 191 to