Pinkerton Academy is a secondary school in Derry, New Hampshire, United States. It serves roughly 3,269 students, making it by far the largest high school in New Hampshire, more than 1,300 students greater than the next largest high school. Pinkerton's situation is unusual, as it is a privately-incorporated school that serves as the public high school for the communities of Derry, Hampstead, Chester, Auburn, Candia, and Hooksett. Through arrangements with the towns, each town pays the tuition for their students to attend Pinkerton. Pinkerton Academy is a private, non-profit corporation administered by a headmaster who acts under the direction of an elected board of trustees.

Derry is a town in Rockingham County, New Hampshire, United States. The population was 34,317 at the 2020 census. Although it is a town and not a city, Derry is the most populous community in Rockingham County and the 4th most populous in the state. The town's nickname, "Spacetown", derives from the fact that Derry is the birthplace of Alan Shepard, the first astronaut from the United States in space. Derry was also for a time the home of the poet Robert Frost and his family.