Seaford College is an independent co-educational boarding and day-school located at East Lavington, south of Petworth, West Sussex, England. The College was founded in 1884, and is a member of the Headmasters' and Headmistresses' Conference. The college sits in the Lavington Park, in nearly 400 acres (1.6 km²) in an Area of Outstanding Natural Beauty in the shadow of the South Downs.