The Holy Trinity Church of England Secondary School, established in December 1969 and opened by Her Majesty Queen Elizabeth II, is a co-educational, voluntary-aided institution located in Crawley, West Sussex. Serving the Deaneries of Horsham, Cuckfield, and East Grinstead, the school fosters a deeply Christian and inclusive community that values each individual. Committed to providing a center of excellence for learning, Holy Trinity inspires students to reach their potential through its Christian values.

The school offers a comprehensive curriculum for students aged 11 to 18, with opportunities for extracurricular activities, a Sixth Form, and support for diverse educational needs, including English as an Additional Language (EAL). Among its services, the school facilitates virtual tours, internet payments, and extensive pastoral care. Families can access crucial information about admissions, academic policies, and school meals through the school's well-organized platforms. Guided by a mission to serve every child as a unique individual, Holy Trinity maintains a strong commitment to educational excellence and community well-being.