Dinnington High School is a secondary school in Dinnington, in the Metropolitan Borough of Rotherham, South Yorkshire, England. It is a coeducational comprehensive school for day pupils between the ages of 11 and 18, and takes in approximately 1,200 pupils from Dinnington and surrounding settlements (chiefly Anston, Laughton Common, Laughton-en-le-Morthen, Woodsetts, Hooton Levitt, Gildingwells, Letwell and Firbeck). The school has a Sixth Form College, which is based in the 6th Form Base building between the Admin Block and Athorpe House. Former pupils of Dinnington High School often refer to themselves as 'Old Dinnonians'.