About University of California, Santa Barbara. University of California, Santa Barbara in Santa Barbara, CA reports an overall acceptance rate of 33.0%, an early-round acceptance rate of 33.0%, an SAT middle 50% of 1250–1460, a class size of 4,967, and a yield of 14.0% based on the most recent Common Data Set filings. Test-blind UC campus. Top physics and materials science programs. Beachfront campus with strong research output.