Aldenham School is a co-educational private boarding and day school for pupils aged eleven to eighteen, located between Elstree and the village of Aldenham in Hertfordshire, England. There is also a preparatory school for pupils from the ages of five to eleven. It was founded in the late sixteenth century by Richard Platt.

Elstree is a large village in the Hertsmere borough of Hertfordshire, England. It is about 15 miles northwest of central London on the former A5 road, that follows the course of Watling Street. In 2011, its population was 5,110. It forms part of the civil parish of Elstree and Borehamwood, originally known simply as Elstree.