[1][3] It was designed by architect Thomas Leverton (1743–1824) as a Georgian style three-storey manor house in 1792.

Riddlesworth was rebranded Confucius International School-Riddlesworth Hall (CISRH) as a result.

Enrollment was intentionally kept small..[6] Pupils were allocated to four houses, which were named after prominent British women.

Points were awarded for "achievement, effort, behavior and generosity of spirit".

[7] Notable former pupils include Diana, Princess of Wales[3][8] The school was formally closed in April 2023.