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 series is related to the buildings on the School campus and documents their history. Most of the collection is made of photographs and artwork, as well as architectural plans. Each sub-series focusses on a different building.

A Holy Bible containing the Old and New Testaments, owned by the Wigg family, with record of births and deaths in the family.

This sub-series is related to services held in the School Chapel since the laying of the Foundation stone in 1924.

This photographic series focuses on the history of the chapel since the laying of the foundation stone. It documents its building and opening, services held in the Chapel and objects used in everyday services.

This sub-series contains photographs of the exterior and interior the School memorial Chapel throughout the years. The earliest photographs showed the chapel being built in 1924-1925.

A small Book of Common Prayer stamped Oakham School Chapel Council, with the stamp in the front crossed out and signed 'This is no longer O.S.C.C,. property J.E.O.Lawson Head Sacristan', presented by O.O. David Clarkson ('64) in November 2017.

This series focusses on the headmastership of John David Buchanan (1958-1977) and contains items relating to the life at School in the 1960s and 1970s, its staff and pupils. The bulk of the series consists of books, publications, letters, speeches and sermons written by Mr Buchanan himself.

A photograph of the altar and the cross, possibly taken around 1966. The photograph was taken by Photo-Reportage Ltd and the number of print is stamped on the back: 157592.

This series focusses on the headmastership of Oliver Richard Sylvester Bull (1977-1984) and contains items relating to the life at School in the 1970s and 1980s, its staff and pupils. One of the files relates to Michael Stevens as Acting Headmaster for two terms in 1985.