![Historical picture of Mill Hill School]()
1807
Mill Hill School opens
The school was set up in 1807 by merchants and ministers from Christian non conformist backgrounds in order to provide a place of learning for the boys from their communities: the “ancient” public schools at this time required.
![Historical picture of Belmont, Mill Hill Prep]()
1912
Belmont opens
Belmont opens as the Prep School to Mill Hill School, having previously been a Junior Boarding House for the school
![Old picture of young children outside the school Grimsdell, Mill Hill Pre Prep]()
1995
Grimsdell opens
Mill Hill Pre Prep opens in former Winterstoke House, a former boarding house for Mill Hill School
1997
Mill Hill School and Belmont become fully co-educational
1998
The Mill Hill School Foundation is formed
2013
The Mount merges with The Mill Hill School Foundation
2015
Mill Hill International opens
Mill Hill International (formerly The Mount) opens, offering a day and boarding school for International pupils aged 13-17
![Image of Cobham Hall school]()
2021
Cobham Hall merges
Cobham Hall, a boarding and day school for girls aged 11-18 in Kent, merges with The Mill Hill School Foundation
2022
Lyonsdown merges
Lyonsdown an independent girls school for ages 3-11 in Barnet, North London merges with The Mill Hill School Foundation
2022
Cobham Hall becomes co-educational in Sixth Form
2022
Keble Prep merges
Keble Prep an independent boys school for ages 4-13 in Winchmore Hill, North London merges with The Mill Hill School Foundation
2023
The Mill Hill Education Group
Mill Hill Education Group becomes the brand name for The Mill Hill School Foundation
2023
Grimsdell, Mill Hill Pre-Prep opens full day nursery
![A close up side view of two kids in a classroom]()
2023
Keble Prep becomes fully co-educational and introduces a Pre Reception Nursery
![Image of St Jospeh's in the Park School]()
2023
St Joseph’s In The Park joins the Group
St Joseph’s In The Park is an independent preparatory school in Hertford for girls and boys aged 2 to 11 joins the group.
![image]()
2024
Kingshott School in Hitchin, for pupils aged three to GCSE merges with the group
