Hillside High School is an educational institution that provides academic classes and extracurricular activities to students in grades 10 through 12. It offers an educational program that includes instruction in economics, math, science, history and technology. The school conducts art and music classes. It also provides adult education and independent study programs. Hillside High School assists in the development of reading and writing skills. It publishes a newsletter that provides information related to school updates and events for parents and students. The school is supported by the Rotary Club of Upland, Calif. Hillside High School is governed by the Upland Unified School District.