St John Fisher Catholic Comprehensive School (simply referred to as SJF) is an 11–18 mixed, Roman Catholic, voluntary aided secondary school and sixth form in Chatham, Kent, England.

[3] Planning permission was given in March 2021, for the school to consolidate on a single site on City Way on existing playing fields.

[6] The school operates a two-year Key Stage 3 which is provided on the Maidstone Road site.

[7] Until the summer of 2010, the school's sixth form site was located at a separate building further up the road.

[8] In case of oversubscription, priority goes to Catholic children and then to non-Catholics who have attended the following schools:[2]