COSMOS (University of California)

COSMOS (the California State Summer School for Mathematics and Science) is an intensive four-week residential program where California students work with faculty and researchers on advanced STEM topics at one of six UC campuses — Davis, Irvine, Merced, San Diego, Santa Cruz, or UCLA. Applicants must be California residents attending a California high school, and admission is based on academic performance, extracurricular math/science achievement, essays, and recommendations. The 2026 program cost $5,518 (plus a $46 application fee, waivers available), with full and partial need-based scholarships available depending on funding.

Who can apply

FieldsSTEM

Logistics

Applying

You submitOnline application; personal statement, at least one teacher recommendation, transcript