California State University-San Marcos — ROI, Cost & Payback
California State University-San Marcos charges a net price of $10,229/yr after aid — a 4-year total of $40,916. Graduates earn a median $62,908 ten years after entry, $14,548/yr above the $48,360 high-school baseline, clearing the total in 2.8 years — a 20-year net return of $250,044, a strong payback — the degree clears its cost fast. (Scorecard, 2026 · our math.)
California State University-San Marcos's 2.8-year payback ranks #149 of 1,280 US colleges we track — better ROI than 88% of them, and #37 of 334 in California.
| Measure | Value | Source |
|---|---|---|
| Net price (after aid) | $10,229/yr | Scorecard, 2026 |
| Total net cost (4 yrs) | $40,916 | our math |
| Median earnings, 10 yrs after entry | $62,908 | Scorecard, 2026 |
| Earnings premium over HS baseline | $14,548/yr | our math |
| Median debt (completers) | $17,350 | Scorecard, 2026 |
| Payback | 2.8 yrs | our math |
| 20-year net return | $250,044 | our math |
College Scorecard (2026 release), institution-level · payback and returns are our math.
The arithmetic, on California State University-San Marcos's own numbers. Net price $10,229 × 4 years = $40,916 total. Median earnings $62,908 − the $48,360 high-school baseline = $14,548 a year of premium. $40,916 ÷ $14,548 = 2.8 years to break even; twenty years of that premium minus the cost leaves $250,044. Future dollars are not discounted, and the earnings figure blends every major here — your programme can beat or miss it. Full method.
How much debt do California State University-San Marcos students graduate with?
A median $17,350 in federal loans among completers, or 28% of the $62,908 its graduates earn ten years out — our math. The figure excludes private loans and students who left before finishing.
What share of California State University-San Marcos students graduate?
55% finish their degree — 45% leave carrying the cost without the credential. Spread the $40,916 bill across that completion rate and the cohort pays $74,393 per graduate produced — our math, and the figure a payback number never shows.
Is California State University-San Marcos expensive compared with other California colleges?
Its $10,229 net price runs $9,676 below the $19,905 median across the 334 California colleges we profile, and $38,704 less across the full degree.