Pope John Senior High School and Minor Seminary (formerly St John's Seminary and College, nicknamed POJOSS), is an all-boys boarding school, located at Effiduase, Koforidua, in the Eastern Region of Ghana. It was established in 1958 by Bishop Joseph Oliver Bowers SVD as a Catholic seminary for boys who wished to become priests. Students are offered courses such as general arts, general science, business and visual arts to pursue and after their stay in the school, sit an external examination called the West African Senior School Certificate Examination to be placed in any of the tertiary institutions in the country.