A collection of documents relating to the various Science buildings and laboratories on campus throughout the years. It includes the Sargant Laboratories and further refurbishments, the Biology block and the Mehra Faculty of Science. The bulk of the sub-series is made of architectural plans and designs.

This series focusses on the headmastership of Francis Cecil Doherty (1929-1935) and contains items relating to the life at School in the early 20th century, its staff and pupils.

This file focusses on letters sent/received by John Buchanan, chiefly during his headmastership (1958-1977).

This series focuses on the boarding boys in Deanscroft, since its opening in 1948. The Headmaster himself was Housemaster, until 1971. Deanscroft boarding house was closed on Speech Day 1989, prior to its conversion into Stevens, a boarding house for girls. The boarding boys were moved to the newly built Haywoods House on Kilburn Road. The items include the complete set of house photographs and informal photographs showing boys around the house and on campus, as well as duty records.

This sub-series is made of various informal photographs of the boys in Deanscroft, especially in the 1960s. It also contains items related to the 50 years Anniversary celebration of Deanscroft & Haywoods House, including a tie designed for the special occasion.

This is focussing on Oakham School Enterprises LTD, since its creation. This file is chiefly made of legal documents and letters.

A memorandum from Alan Grieve to Roger Blackmore confirming the arrangements for the OO Dinner.

A letter from Alan Grieve sending Amy Grieve two tickets for the Quatercentenary events.

A letter from Alan Grieve to Roger Blackmore commenting on a dinner, probably part of the Quatercentenary celebrations. Two pages A and B.

A letter from Alan Grieve to Simon Schanschieff regarding the Quatercentenary Appeal and enclosing an advertisement taken from The Tatler for the Stowe Ball. Three pages A to C.