Cothill House is a day and boarding coeducational independent school for preparatory pupils in Cothill, Oxfordshire, which houses around 160 pupils from the ages 7–13.

Previously a boys school, it began to move towards co-education in 2024.

[2] The school is operated by the Prep Schools Trust, a charity registered in England.

[3] In 2024, the school was listed by the Oxford Mail as one of 45 Oxford schools with stories of sexual harassment and abuse collected by the website Everyone's Invited.

[4] The school was founded in 1860 (in Dry Sandford), before moving to its present location in 1870.