Thetford Grammar School
Bridge ST, Thetford, IP24 3AF
Independent school for ages 3–19 in Thetford. Mixed intake.
Thetford Grammar School is a selective independent school in Norfolk for boys and girls aged 3 to 19, with nursery classes, boarding and a sixth form.
Its ISI inspection in December 2025 found the relevant standards met, including safeguarding. The A-level average grade was B-, with 26.3% achieving AAB or better in two or more facilitating subjects. The school presents its community through 'Together we are TGS' and '#TGSTogether'.
It describes pastoral care, a key stage and tutor system, health and wellbeing support, and tells prospective families that Reception pupils are supported through a nurturing environment, small class sizes and a focus on confidence and ability.