University of California-Davis vs California Polytechnic State University-San Luis Obispo

Torn between these two? Here's how they stack up on what actually matters - what you'll pay, what graduates earn, and which one gives you the better return - all on U.S. Department of Education data.

Too close to call - both schools are within 3 points

Data: 2024-25 College Scorecard release

ROI Score Comparison

95
Exceptional Value
Earnings
96(0.78x)
Payback
97(4.3 yr)
Debt/Earn
95(0.29)
Completion
94(86%)
Repayment
92(88%)
96
Exceptional Value
Earnings
97(0.84x)
Payback
98(3.7 yr)
Debt/Earn
92(0.34)
Completion
94(86%)
Repayment
97(92%)

The Financial Comparison

Good news if you're stuck between them: University of California-Davis and California Polytechnic State University-San Luis Obispo come out about even on financial return. University of California-Davis scores 95/100 and California Polytechnic State University-San Luis Obispo scores 96/100 - close enough that your own situation (your major, the aid package each one offers you, in-state vs out-of-state) will matter more than the score gap.

Start with what you'd actually pay. After aid, University of California-Davis runs $14,741 a year against $16,665 at California Polytechnic State University-San Luis Obispo - $1,924 more a year, or about $7,696 across four years.

Then look at what that buys. Ten years after enrollment, California Polytechnic State University-San Luis Obispo graduates earn a median $90,768 against $80,838 at University of California-Davis. The cost earns itself back in 4.3 years at University of California-Davis and 3.7 years at California Polytechnic State University-San Luis Obispo.

Finally, the debt you'd carry out. Graduates leave University of California-Davis owing a median $13,000 versus $18,500 at California Polytechnic State University-San Luis Obispo. Their debt-to-earnings ratios are 0.29 and 0.34 - and the rule of thumb is to keep that under 1.0, meaning debt no bigger than a first year's pay.

Head-to-Head Numbers

MetricUniversity of California-...California Polytechnic St...
Cost
In-State Tuition$16,774$13,596
Out-of-State Tuition$50,974$34,665
Net Price (avg)$14,741$16,665
Total 4-Year Cost$58,964$66,660
Outcomes
Median Earnings (6yr)$45,300$54,700
Median Earnings (10yr)$80,838$90,768
Graduation Rate85.7%86.4%
Payback Period4.3 yr3.7 yr
Debt
Median Debt$13,000$18,500
Monthly Payment$138$196
Debt-to-Earnings0.290.34
3yr Repayment Rate88.2%91.5%
5yr Repayment Rate83.9%88.5%
Admissions
Acceptance Rate41.8%31.3%
Enrollment32,25321,996

Net Price by Family Income

Average annual net price after grants and scholarships, by household income bracket.

Family IncomeUniversity of Califo...California Polytechn...
$0-$30,000$9,211$7,529
$30,001-$48,000$9,966$7,253
$48,001-$75,000$11,951$9,896
$75,001-$110,000$16,294$15,786
$110,001+$31,272$27,772

Earnings by Major - Head to Head

Median earnings for majors offered at both schools. Green highlights the higher figure.

MajorUniversity of Califo...California Polytechn...
Computer Engineering$145,422$148,950
Biomedical Engineering$98,504$109,232
Aerospace, Aeronautical, and Astronautical/Space Engineering$93,414$107,498
Mechanical Engineering$102,161$106,750
Statistics$88,033$101,353
Civil Engineering$95,939$101,072
Materials Engineering$89,983$100,599
Economics$83,248$98,927
Philosophy$58,633$98,592
Physics$78,569$96,805
Mathematics$72,640$83,187
Plant Sciences$72,335$82,487
International Relations$67,759$81,843
Biochemistry and Molecular Biology$70,754$78,097
Food Science and Technology$70,571$75,466

ROI Sub-Score Breakdown

ComponentUniversity of Califo...California Polytechn...
Earnings Premium (30%)9697
Payback Period (25%)9798
Debt / Earnings (20%)9592
Completion Rate (15%)9494
Repayment Rate (10%)9297
Overall ROI Score9596
Exceptional Value

The Verdict

It's close. California Polytechnic State University-San Luis Obispo edges out University of California-Davis by 1 points (96 vs 95), but that's slim enough that your major and your own aid offers will decide this more than the ROI score does. Run your actual numbers in the calculator below before you call it.

Want to personalize these numbers?

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95

University of California-Davis

Exceptional Value - Full profile and breakdown

96

California Polytechnic State University-San Luis Obispo

Exceptional Value - Full profile and breakdown

Data from the U.S. Department of Education College Scorecard, as of 2024-2025. Earnings are measured 6 and 10 years after enrollment. Net prices reflect average aid for first-time, full-time students.See full methodology.