'The school, through its distinctive Christian character, is outstanding at meeting the needs of all learners.' SIAMS Inspection Report

Ofsted inspected Grendon CE Primary in March 2013 and judged the school to be outstanding in all areas of the inspection framework.

As a church school, Grendon is also inspected by Peterborough Diocese who judged the school to be outstanding in all areas of the SIAMS inspection framework. The most recent SIAMS inspection was in May 2018.