[citation needed] Under the Education Act of 1944 it became a voluntary aided grammar school, providing access on the basis of academic ability as measured by the 11-Plus examination.

In 1976, it converted to its current fee-paying independent status; pupils already studying there continued to not pay fees.

There are inter-house competitions throughout the year (including cricket, hockey, netball, esports, swimming debatingand chess to name a few) points awarded in each event throughout the year are added up, and the house with most points is awarded the House Cup at the end of the Lent Term.

Sixth-form students have the option of studying Cambridge International A-levels or the IBDP, with both programmes currently being taught on the main campus at Hoàng Mai.

A planned separate campus is in the works exclusively for Sixth-form students undertaking A-levels in Hoàn Kiếm.

Until recently, Broadfield house, an old Reigate home, was where History, Economics, Business studies, Politics and other subjects were taught.

Then in late 2013 it was announced that Dunottar would be closed due to dwindling pupil numbers and poor finances.

This caused uproar from the current Dunottar parents, who instead developed a plan to manage the school themselves.