The Griswold Adult Center offers a variety of educational and recreational programs for adults over the age of 18. It conducts several fitness classes, including yoga, kickboxing, Pilates and cardiovascular exercises. The center offers more than 100 courses, including English as a Second Language, office skills, computer mastery, family literacy, and home and decorative arts. It offers a four-term schedule and conducts daytime, afternoon, evening and weekend courses. The center is a part of the Covina-Valley Unified School District, which serves more than 15,000 students in kindergarten through grade 12 in over 20 elementary, middle, high and alternative schools. The Griswold Adult Center is located in Covina, Calif.