St Thomas More High School is a Roman Catholic bilateral academy school located in Westcliff-on-Sea, Essex, England. It caters for boys between the ages of 11 and 18 but has a mixed sixth form.The school is larger than the average sized secondary academy.1,027 students were on the roll in September 2015 (including 500 sixth form students). The majority of pupils come from local Roman Catholic schools but the school does accept pupils from other Christian denominations. The school is located in the Diocese of Brentwood and the serving bishop is Rt. Revd. Alan Williams. The school's patron saint is St Thomas More, which is mainly celebrated annually on St Thomas More Day.