Kingston Grammar School

Analysis

Kingston Grammar School is a registered charity in England and Wales, based in Kingston Upon Thames. It was registered in December 1999, 27 years ago. Its declared purposes cover education/training, which this site groups under education and training. Legally it is a charitable company (Companies House number 03883748). It says it makes grants to individuals, provides human resources and provides buildings/facilities/open space.

In the financial year ending July 2025, Kingston Grammar School reported income of £24.5m and spending of £22.6m, spending 92% of its income. Across the 5 years on record, from July 2021 to July 2025, income grew from £16.5m to £24.5m (+48%), an average of +10% a year. The sharpest change came in the year to July 2022, when income rose by 17%. Over the whole period it spent 90% of the income it received.

Among 21,402 England and Wales charities whose main cause is education and training and that reported income, Kingston Grammar School sits at the 99th percentile: it is one of the largest 1% in its cause. Against every charity in England and Wales with reported income it ranks in the 100th percentile. Charities of a similar size with the same main cause include Bridewell Royal Hospital (£24.5m), Dauntsey's School (£24.5m) and Education For Industry Group (£24.3m).

In its latest detailed accounts, income came from charitable activities 91%, donations and legacies 3.2%, investments 3.0% and trading 2.3%. Charitable activities took 98% of spending and raising funds 0.6%. Reserves of £20.8m would cover about 11 months of spending at that rate. It employed 239 people.