Klein Forest High School offers education for students in grades 9 through 12. Its curriculum includes classes in math, physical education, science, fine arts, foreign language and social studies. In addition, the school offers the English as a Second Language program. Klein Forest High School provides opportunities for students to participate in various sports activities, including volleyball, baseball, basketball, football, golf, soccer, swimming, tennis and wrestling. It operates Christian, earth watch, best buddies and theater booster clubs. Klein Forest High School provides membership opportunities for the National Honor Society. It has a library that houses a range of educational materials and resources. The school offers guidance counseling sessions. It is governed by the Klein Independent School District, which operates various elementary, intermediate and high schools.