Head-to-head comparison
University of California-San Diego vs California State University-East Bay: which has better ROI?
Option A La Jolla, CA
University of California-San Diego
- Net price / year
- $12,470
- Earnings, 10 years
- $84,943
- Payback
- 1.4 yrs
Option B Hayward, CA
California State University-East Bay
- Net price / year
- $9,320
- Earnings, 10 years
- $71,401
- Payback
- 1.6 yrs
University of California-San Diego has the better ROI: it clears its 4-year net cost of $49,880 in 1.4 years versus 1.6 years at California State University-East Bay, on median earnings of $84,943 vs $71,401 ten years out. (Scorecard, 2026 · our math.)
| Measure | University of California-San Diego | California State University-East Bay |
|---|---|---|
| Net price / yr | $12,470 | $9,320 |
| Total net cost | $49,880 | $37,280 |
| Median earnings, 10 yrs | $84,943 | $71,401 |
| Median debt | $15,500 | $16,544 |
| Payback | 1.4 yrs | 1.6 yrs |
| 20-year net return | $681,780 | $423,540 |
College Scorecard (2026), institution-level · payback and returns are our math. Figures blend all majors.
The short answer
Which is cheaper, University of California-San Diego or California State University-East Bay?
California State University-East Bay, at $9,320 a year after aid versus $12,470 — a gap of $3,150 a year, or $12,600 across the full degree. These are net prices after grants and scholarships, not sticker prices, so they reflect what an aided student pays.
The short answer
Do University of California-San Diego or California State University-East Bay graduates earn more?
University of California-San Diego graduates report a median $84,943 ten years after entry, $13,542 more than the $71,401 at California State University-East Bay. Both are institution-wide medians from federal tax records, so a high-paying major at the lower school can beat the average at the higher one.
The short answer
Which leaves students with less debt, University of California-San Diego or California State University-East Bay?
University of California-San Diego: its completers carry a median $15,500 in federal loans versus $16,544 at California State University-East Bay, a difference of $1,044. The figure counts students who finished; it excludes private loans and anyone who left before graduating.
The short answer
Which graduates more of its students?
86% of students finish at University of California-San Diego, against 48% at California State University-East Bay. Completion matters to the ROI arithmetic because a degree that is never finished still carries its cost and its debt, but earns none of the graduate premium above the $48,360 high-school baseline.