Williamson High School provides a range of educational and extracurricular opportunities. The school offers academic programs in various subjects, such as social studies, mathematics, science and English. It also provides vocational courses in cookery, mechanical drawing and physical education. Williamson High School offers speech, physical and occupational therapies. The school additionally provides psychological counseling services. Its athletic activities include basketball, volleyball, wrestling, track and field, golf, football and soccer. Williamson High School maintains a ski club, marching band, chorus group and student council. The school offers instructional services in foreign languages and drama. It is operated by the Northern Tioga School District, which governs elementary, middle and high schools.