Thornton Fractional South High School is an educational institution that offers a range of academic programs and extracurricular activities. The school serves students in grades 9 through 12. It provides classes in various subjects, such as math, science, English, music, art, special education and social studies. The school organizes several athletic activities, including basketball, football and softball. It has a guidance department that offers counseling services. The school operates band, chess, choral and drama clubs. It provides opportunities to students to participate in the National Honor Society. The school maintains a library that stocks books and reference materials. It has a cafeteria that offers breakfast and lunch options. The school additionally operates a parent-teacher-student association. Thornton Fractional South High School is governed by Thornton Fractional High School District 215, which maintains information technology, curriculum and human resources departments.