The schools have a non-denominational Christian ethos,[5] and a carol service at the local church is a regular occurrence every year.

[6] Places are allocated on a first-come first-served basis, sometimes with regard to those with previous family connections with the school.

In 1897, Morton was encouraged to open a preparatory school by Helen (Nellie) Artie Tarleton Belles, the mother of Harold Macmillan, whom he was tutoring at the time.

In October 2013, a media controversy was triggered over the banning of nut consumption at breakfast for pupils at home, in addition to bans on consumption of certain foods in the school; however, no complaints appear to have been made to the school over the policy.

Stanley Maxwell also became secretary of the College of Preceptors, holding this position until his death on 20 September 1944.

[26][27] Entry from the Pre-Prep into the Prep is now decided using a system of 'continuous assessment' in year 2, instead of an exam (as was practised previously).

[31][32] In 2016, Sarah Segrave was given the role of headmistress of the Prep (having previously served as headmistress in the Girls' School, and before that the Pre-Prep[33]) due to the retirement of Jeremy Edwards (previously master of Westminster Under School),[34] who in turn succeeded Sebastian Hepher.

[36] In 2008 refurbishment took place at the Manor, and a girls' school was built on the site in a new building on the compound, containing an underground gymnasium.

Roosha Sue has served as headmistress of the Nursery since 2004, teaching in the Manor Pre-Prep before taking up this post.

[37]An official alumni society used to exist from at least 2007 to 2009 for old boys and girls of all ages; however, there is no mention of it on their current website or literature, and reasoning suggests that it may have been discontinued.