This sub-series focuses on the administration and everyday running of the Junior House/Chapmans.

This series focuses on the Junior House/Chapmans pupils and staff since its opening in 1910. It first comprised the Junior Department with facilities for boys boarders and classrooms. The house was renamed Chapmans in September 1960, after Frank Emerson Chapman, first Housemaster of the Junior House; it became a Senior House. Most of the series is made of photographs, house photographs as well as more informal photographs.

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 focusses on the headmastership of Graham Smallbone (1985-1996) and contains items relating to the life at School in the 1980s and 1990s, its staff and pupils.

The inventory for Junior House. Transfer from E. Pickering Clarke to the Trustees. Contains information on the building, its fixtures and fittings, the dining room, kitchen, garden, toilets, pantry, sick room, matron room, dormitory, study, classroom, bathrooms, coal house, workshop, tool shed, gardens and tennis nets. Items A to AG

A prospectus for the school including names of trustees and staff, information on the school, boarding, the library, societies, terms, holidays, health, scholarships and prizes. Items A to C

A prospectus for the school including information on the curriculum,games, health and holidays.

This series focusses on the headmastership of Grosvenor Talbot Griffith (1935-1958) and contains items relating to the life at School in the mid-20th century, its staff and pupils.