This sub-series contains books used by pupils during services in chapel or books published by staff or Old Oakhamians and given to the school. A large part of this sub-series contains hymns books compiled by Rev T.C.H. Clare ('29).

This sub-series relates to Service programmes, focusing on Weekly and Sunday services, and services schedules and lists.

This sub-series related to the weekly services at the School Chapel since it being built in 1925. The registers record confirmation and baptism services as well as Carol services, evensong, matins and holy communion services.