Past Event
Saturday, March 14, 2026, 10 a.m. to 4 p.m.
Super STEM Saturday
333 S. Twin Oaks Valley Road, San Marcos, 92096
Cost: Free
This Pi Day, join Classical Academies and Cal State San Marcos for Super STEM Saturday – a day the whole family can learn about science, technology, engineering, and mathematics. The festival is free, with booths, hands-on activities, and more. Parking is free, and the festival will be held rain or shine.