Temecula Preparatory School was formerly managed and operated by Heritage Classical Charter Schools of America. It is a tuition-free, K-12, public charter school located in Winchester, California. The school is sponsored by the Temecula Valley Unified School District. It follows the principles of Classical Education, with an emphasis on the four platonic virtues from antiquity: Justice, Prudence, Fortitude, and Temperance. TPS athletic teams have won several league championships.