California State University-Fullerton 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.

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

Data: 2024-25 College Scorecard release

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

On the numbers, California Polytechnic State University-San Luis Obispo comes out ahead: 96/100 to 88/100, a 8-point edge over California State University-Fullerton. That gap comes from real differences in what each one costs, what its graduates earn, and the debt they leave with.

Start with what you'd actually pay. After aid, California State University-Fullerton runs $6,555 a year against $16,665 at California Polytechnic State University-San Luis Obispo - $10,110 more a year, or about $40,440 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 $62,951 at California State University-Fullerton. The cost earns itself back in 5.9 years at California State University-Fullerton and 3.7 years at California Polytechnic State University-San Luis Obispo.

Finally, the debt you'd carry out. Graduates leave California State University-Fullerton owing a median $13,750 versus $18,500 at California Polytechnic State University-San Luis Obispo. Their debt-to-earnings ratios are 0.36 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

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 the clearly stronger ROI here (96 vs 88) - graduates earn more for what they paid, and the return is somewhat better. That said, if California State University-Fullerton is the stronger school for your intended major, that can outweigh the gap for you specifically.

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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.