California State University-Fullerton vs California Polytechnic State University-San Luis Obispo

Side-by-side ROI comparison using U.S. Department of Education data. Which school delivers a better financial return?

California Polytechnic State University-San Luis Obispo leads by 8 points on ROI

ROI Score Comparison

88
Strong Value
Earnings
98(1.07x)
Payback
89(5.9 yr)
Debt/Earn
91(0.36)
Completion
78(70%)
Repayment
60(77%)
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

California Polytechnic State University-San Luis Obispo holds a 8-point ROI advantage over California State University-Fullerton, scoring 96/100 versus 88/100. That gap reflects meaningful differences in how costs, earnings, and debt stack up for graduates of each institution.

On cost, California State University-Fullerton comes in at $6,555 per year (net price after aid) versus $16,665 at California Polytechnic State University-San Luis Obispo - a difference of $10,110 annually, or roughly $40,440 over four years.

Ten years after enrollment, California Polytechnic State University-San Luis Obispo graduates earn a median of $90,768 compared to $62,951 at California State University-Fullerton. The payback period is 5.9 years at California State University-Fullerton versus 3.7 years at California Polytechnic State University-San Luis Obispo.

Graduates leave California State University-Fullerton with a median $13,750 in debt versus $18,500 at California Polytechnic State University-San Luis Obispo. The debt-to-earnings ratios are 0.36 and 0.34 respectively - financial advisors generally recommend staying below 1.0.

Head-to-Head Numbers

MetricCalifornia State Universi...California Polytechnic St...
Cost
In-State Tuition$7,470$13,596
Out-of-State Tuition$20,070$34,665
Net Price (avg)$6,555$16,665
Total 4-Year Cost$26,220$66,660
Outcomes
Median Earnings (6yr)$38,500$54,700
Median Earnings (10yr)$62,951$90,768
Graduation Rate70.2%86.4%
Payback Period5.9 yr3.7 yr
Debt
Median Debt$13,750$18,500
Monthly Payment$146$196
Debt-to-Earnings0.360.34
3yr Repayment Rate76.6%91.5%
5yr Repayment Rate72.9%88.5%
Admissions
Acceptance Rate90.5%31.3%
Enrollment38,54621,996

Net Price by Family Income

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

Family IncomeCalifornia State Uni...California Polytechn...
$0-$30,000$3,315$7,529
$30,001-$48,000$4,123$7,253
$48,001-$75,000$6,090$9,896
$75,001-$110,000$8,930$15,786
$110,001+$15,631$27,772

Earnings by Major - Head to Head

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

MajorCalifornia State Uni...California Polytechn...
Computer Science$87,460$154,784
Computer Engineering$101,408$148,950
Electrical Engineering$92,618$125,240
Business Administration, Management, and Operations$71,646$110,902
Mechanical Engineering$86,808$106,750
Statistics$51,298$101,353
Civil Engineering$95,854$101,072
Economics$71,595$98,927
Philosophy$44,533$98,592
Physics$86,504$96,805
Mathematics$80,055$83,187
International Relations$53,966$81,843
Biochemistry and Molecular Biology$68,170$78,097
Communication and Media Studies$58,082$75,223
Sociology$50,922$69,883

ROI Sub-Score Breakdown

ComponentCalifornia State Uni...California Polytechn...
Earnings Premium (30%)9897
Payback Period (25%)8998
Debt / Earnings (20%)9192
Completion Rate (15%)7894
Repayment Rate (10%)6097
Overall ROI Score8896
Exceptional Value

The Verdict

California Polytechnic State University-San Luis Obispo has a meaningfully higher ROI score (96 vs 88). Graduates earn more relative to cost, and the financial return is somewhat stronger. That said, if California State University-Fullerton offers a significantly better program in your intended major, it could still be the better financial choice for you specifically.

Want to personalize these numbers?

The ROI calculator lets you plug in your financial aid, intended major, and living situation for a tailored comparison.

88

California State University-Fullerton

Strong 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.