San Marcos, CA · College Scorecard data · Updated August 17, 2026
| California State University-San Marcos | CA Average | National Average | |
|---|---|---|---|
| In-state tuition | $8,082 | $16,639 | $18,082 |
| vs. average | — | -51% | -55% |
In-state tuition at California State University-San Marcos is $8,082 and out-of-state tuition is $20,682, according to College Scorecard data.
The acceptance rate at California State University-San Marcos is 95%.
With an acceptance rate of 95%, California State University-San Marcos is moderately selective among U.S. colleges.
The average SAT score for admitted students at California State University-San Marcos is not published.
In-state tuition at California State University-San Marcos is $8,082, which is 51% below the CA average of $16,639.