Sir John Leman High School is a coeducational 11–18 secondary school with academy status serving part of the Waveney region in north Suffolk, England. The school is located on the western edge of the town of Beccles and serves the surrounding area, including Worlingham. Students from Norfolk villages such as Gillingham also sometimes attend the school. The school has approximately 1400 students, including a sixth form of around 260 students.