Head-to-head comparison
California Polytechnic State University-San Luis Obispo vs California State University-East Bay: which has better ROI?
Option A San Luis Obispo, CA
California Polytechnic State University-San Luis Obispo
- Net price / year
- $16,665
- Earnings, 10 years
- $90,768
- Payback
- 1.6 yrs
Option B Hayward, CA
California State University-East Bay
- Net price / year
- $9,320
- Earnings, 10 years
- $71,401
- Payback
- 1.6 yrs
California Polytechnic State University-San Luis Obispo has the better ROI: it clears its 4-year net cost of $66,660 in 1.6 years versus 1.6 years at California State University-East Bay, on median earnings of $90,768 vs $71,401 ten years out. (Scorecard, 2026 · our math.)
| Measure | California Polytechnic State University-San Luis Obispo | California State University-East Bay |
|---|---|---|
| Net price / yr | $16,665 | $9,320 |
| Total net cost | $66,660 | $37,280 |
| Median earnings, 10 yrs | $90,768 | $71,401 |
| Median debt | $18,500 | $16,544 |
| Payback | 1.6 yrs | 1.6 yrs |
| 20-year net return | $781,500 | $423,540 |
College Scorecard (2026), institution-level · payback and returns are our math. Figures blend all majors.
The short answer
Which is cheaper, California Polytechnic State University-San Luis Obispo or California State University-East Bay?
California State University-East Bay, at $9,320 a year after aid versus $16,665 — a gap of $7,345 a year, or $29,380 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 California Polytechnic State University-San Luis Obispo or California State University-East Bay graduates earn more?
California Polytechnic State University-San Luis Obispo graduates report a median $90,768 ten years after entry, $19,367 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, California Polytechnic State University-San Luis Obispo or California State University-East Bay?
California State University-East Bay: its completers carry a median $16,544 in federal loans versus $18,500 at California Polytechnic State University-San Luis Obispo, a difference of $1,956. 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 California Polytechnic State University-San Luis Obispo, 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.