Academic Program: Mostyn House School follows the National Curriculum for England and Wales, supplemented by a range of extra-curricular activities such as Chess and outdoor activities. The school places a strong emphasis on the development of core skills such as literacy, numeracy, and critical thinking, as well as the promotion of independent learning and intellectual curiosity.

Facilities: Mostyn House School has a range of facilities that support the academic, sporting, and artistic development of its students. These include a large sports hall, a heated swimming pool, outdoor sports pitches, specialist and air conditioned classrooms for music and art, a science laboratory, and a library.

Pastoral Care: Mostyn House School places a strong emphasis on pastoral care, with a dedicated team of staff who provide support and guidance to students throughout their time at the school. There is also a school counselor available to provide additional support where needed.