Nonsuch High School is an all-girls' grammar school with an academy status, located in Cheam, in the borough of Epsom and Ewell in Surrey, England, on the border of the London Borough of Sutton, and standing in 22 acres (89,000 m2) of grounds on the edge of Nonsuch Park.

An average points score of 6 in the best 8 GCSEs and a grade 6 or above in GCSE Mathematics and English Language or Literature is needed for this.

[6] The Nonsuch catchment area is defined by a circle with a radius of 5.25 km from the front door of the school.

[6] 80 places are awarded each year to those with the highest scores in the Entrance Test, whether they live inside or outside the catchment area.

Those who pass the test and live within the circle on the cut-off date as defined by the Pan-London Co-ordinated Admissions System are ranked according to the score they achieve.