This school caters for students with moderate learning difficulties and/or autism spectrum disorders. A small number of students have severe learning difficulties, hearing impairment, visual impairment, speech, language and communication needs and/or physical difficulties. All students have a statement of special educational needs. Pupils are placed at Stony Dean from a range of primary provision, special schools and designated units with a significant proportion (approx 70% each year) coming from mainstream schools. The majority of students are White British. About 20% are from a range of ethnic backgrounds including Pakistani, African or Other White backgrounds. A few students speak English as an additional language. About 25% of students are eligible for the pupil premium, which is broadly in line with national figures. This is additional funding for students known to be eligible for free school meals and those children who are looked after by a local authority. The school does not receive any other additional funding. Alternative provision for the sixth form takes place at the local Amersham and Wickham College. Students come from all parts of Buckinghamshire and almost all travel to school in buses or taxis.