St John's College School is a co-educational preparatory school founded in the 17th century for the education of the choristers of the Choir of St John's College, Cambridge, England. The 20 choristers are educated in the school, which comprises 460 boys and girls aged 4–13. The Head Master is Neil Chippington. The school is divided into two halves, Byron house for KG, T1, T2, Form 1 and Form 2 (Reception - Year 4) whilst the 2nd part of the school, further up Grange Road, is in charge of Forms 3-6 (Years 5-8).