This collection charts the history and activities of the Old Oakhamian Club. It has excellent records of dinners and events thrown by the club such as reunions, international dinners and Oakham events. Most of the documents are administrative, but there are photographs and correspondence material too.

There are good records on the school's foundation and the club's golfing society. Most of the material has been produced by the Old Oakhamian club or the foundation. Thus, there is a good record of publications and marketing material relating to these events.

A collection of letters relating to OSEL courses, Activity Holidays and events in the 1980s.

Two letters between Roger Blackmore and Alan Grieve on various matters, such as the last OSEL meeting, the new brochure for the Medical Congress and OSEL accounts.

Minutes of a meeting of the board of Oakham School Enterprises Limited held on 27 September 1983 in London. Contents: Activity Holidays Course Costings; Course Descriptions; Questionnaires; Chess Congress; Computer Courses; Date of the next meeting. With hand-written notes. Two pages A and B.

A letter from Alan Grieve to Roger Blackmore regarding the latest meeting of OSEL board.

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

This collection focuses on the staff who have worked for Oakham School over the years. Material focuses on not only training and teaching, but staff wellbeing, pay and benefits.

There are two series which focus on notable members of staff from the school's history: Jon Wills and Brian Welford. Material for these staff members have been collected by themselves and other members of staff.

Recruitment series includes jobs descriptions for various positions, both teaching and support staff, in the school.

There is a strong collection of policies an guidance for teachers in completing the many administrative and teaching jobs expected.