This series focusses on the headmastership of Rev Edward Vere Hodge (1879-1902) and contains items relating to the life at School in the late19th century, its staff and pupils. The series contains some of the earliest photographs of Oakham School's collection.

This series focusses on the headmastership of Rev William Spicer Wood (1846-1875) and contains items created by the headmaster himself as well as items relating to the life at School in the mid-19th century.

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.

This series focusses on staff leavers, including list of staff changes, invitations to Leavers' events and booklets celebrating staff's time at Oakham School

This series focusses on the headmastership of Walter Lee Sargant (1902-1929) and contains items relating to the life at School in the early 20th century, its staff and pupils.

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 series focuses on School House pupils and staff in the 20th century. Most of the series is made of house photographs, various informal photographs as well as records books and punishment books.

A letter from the Second Deputy Jan M.D. West to Inspector A. Harrison informing the local police of the Rutland Water Walk and that children will be walking on the public highway.

Three letters between Adam Lowe and Jon Wills related to the Kilburn Road Gaol, now the Richard Bull Centre, and visiting College House and the School Archives.

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