Head-to-Head Comparison
California Polytechnic State University-San Luis Obispo vs University of California-San Diego
California Polytechnic State University-San Luis Obispo
San Luis Obispo, CA
University of California-San Diego
La Jolla, CA
- California Polytechnic Wins
- 15
- Tied
- 8
- California-San Diego Wins
- 18
Direct Answer
For overall financial value, University of California-San Diego offers a significantly safer investment tier. With an annual cost of $12,470 vs California Polytechnic State University-San Luis Obispo's $16,665, University of California-San Diego delivers strong outcomes at a fraction of the price. For students prioritizing lower student debt over initial institution prestige, University of California-San Diego's lower price point delivers a highly efficient debt-to-earnings path.
41 data points compared · Sources: College Scorecard, Opportunity Insights, Times Higher Education, IPEDS
When to Pick Each School
California Polytechnic
- Higher earnings: Median earnings of $90,768 ten years after enrollment, 7% more than University of California-San Diego
California-San Diego
- Lower cost: Average net price of $12,470, roughly $4,195 a year less
- Less debt: Median debt of $15,500, the lower of the two
- More selective: Admits 27% of applicants, which makes for a more competitive peer group
The Actual Decision
What are you really choosing between?
California Polytechnic graduates concentrate in Engineering (23% of degrees); California-San Diego in Biology & Biomedical (19%). If you already know the field you want, the choice is mostly made for you.
Based on each school's share of degrees by field (College Scorecard). It shows where graduates actually concentrate, not the only path a school offers.
Which School Fits You?
Pick California Polytechnic State University-San Luis Obispo over University of California-San Diego. Median earnings of $90,768 ten years after enrollment vs $84,943.
Pick University of California-San Diego over California Polytechnic State University-San Luis Obispo. Net price $12,470 vs $16,665.
Key Metrics at a Glance
Graduation Rate
Earnings (10yr)
Avg Net Price
Median Debt
The Analysis
Verdict
California Polytechnic State University-San Luis Obispo and University of California-San Diego are close on paper, but University of California-San Diego wins the head-to-head, leading on 4 of the core measures (selectivity, cost, earnings, completion, mobility, and debt). The right pick still depends on how you weight them.
Getting in
University of California-San Diego is the harder admit. It takes 27% of applicants, while California Polytechnic State University-San Luis Obispo takes 31%.
So what: If test scores and a high-scoring peer group matter to you, University of California-San Diego sets the higher bar. The less selective school is easier to get into, which can work in your favor rather than against it.
What it costs
On price, University of California-San Diego comes out ahead. Its average net price after aid is $12,470, about $4,195 a year below California Polytechnic State University-San Luis Obispo's $16,665. Graduates of University of California-San Diego also borrow less: median debt of $15,500, against $18,500.
So what: Over four years, the gap adds up to about $16,780 before any change in aid. Choosing University of California-San Diego leaves that money available for graduate school, savings, or simply less borrowing.
What graduates earn
Ten years after enrollment, California Polytechnic State University-San Luis Obispo graduates report median earnings of $90,768, compared with $84,943 at University of California-San Diego. That is a 7% advantage. Set against borrowing, University of California-San Diego has the lower debt-to-earnings ratio, 0.18x to 0.2x.
So what: An earnings gap of 7% this early in a career tends to widen, since raises build on the higher base. Of the measures on this page, this one carries the most financial weight.
Recommendation
Bottom line: pick University of California-San Diego to keep costs and debt down; pick California Polytechnic State University-San Luis Obispo for the higher earnings ceiling.
Data certainty: High. Both schools report 5 of 6 core signals used here; where one school is missing a figure, that row is left out of the comparison rather than estimated.
Counterintuitive Insights
The cheaper school is not the lower-earning one here. University of California-San Diego saves about $4,195 a year, yet California Polytechnic State University-San Luis Obispo graduates earn $5,825 more ten years after enrollment. The cost advantage and the earnings premium sit at different schools, so your time horizon decides which counts more.
Their academic identities diverge. California Polytechnic State University-San Luis Obispo concentrates enrollment in Business & Marketing, Computer Science & IT, while University of California-San Diego leans toward Biology & Biomedical, Social Sciences. That split shapes which recruiters come to campus and what your classmates study.
Who Should Look Elsewhere
- Cost-conscious students: net price of $16,665 runs well above University of California-San Diego's $12,470.
- Students minimizing debt: median debt is $18,500, against $15,500 at University of California-San Diego.
- Business and consulting-track students: University of California-San Diego has less business program depth, and California Polytechnic State University-San Luis Obispo offers the stronger options.
- Students who want a smaller campus: University of California-San Diego's enrollment of 34,948 far exceeds California Polytechnic State University-San Luis Obispo's 21,996.
Full Data Breakdown
Inside the admissions office
California Polytechnic holds onto its admits more tightly: 26% of admitted students enroll, versus 20% at California-San Diego — a sign of how often it wins head-to-head choices.
Source: each school's published Common Data Set, via collegedata.fyi.
Overview 5 metrics
Admissions 1 metrics
Admissions Strategy (Common Data Set) 4 metrics
Cost & Financial Aid 9 metrics
Academics 5 metrics
Student Body 6 metrics
Outcomes 6 metrics
Social Capital 3 metrics
Online Education (IPEDS) 2 metrics
The Overviews
California Polytechnic State University-San Luis Obispo
San Luis Obispo, CA · Public
California Polytechnic State University-San Luis Obispo has an impressive graduation rate of 86%. This high rate indicates strong student support and engagement, contributing to a successful academic environment. With nearly 22,000 students, Cal Poly combines a vibrant campus life with a commitment to academic excellence.
Graduates from Cal Poly earn a median salary of $90,768 ten years post-graduation. This figure reflects the effectiveness of the university's programs in preparing students for the workforce. Although the Pell Grant rate is 19%, the university's focus on practical, career-oriented education significantly enhances economic mobility for many students.
The cost of attendance is relatively affordable, with a net price of $16,665 and a median debt of $18,500. This financial structure positions Cal Poly as a viable option for students seeking quality education without overwhelming debt. Students who thrive here are often those interested in fields like engineering, business, and computer science, where hands-on experience and industry connections are paramount.
University of California-San Diego
La Jolla, CA · Public
The University of California-San Diego has an impressive graduation rate of 87%. This high percentage reflects the school's commitment to student success and academic support. It stands out in California's competitive higher education landscape, making it an attractive option for many students.
According to the Chetty/Opportunity Insights data, UC San Diego graduates have a 10-year earning potential of $84,943. This earning figure positions the university as a strong pathway for upward mobility, especially for students from lower-income backgrounds. The data indicates that a significant portion of graduates experience substantial economic advancement post-graduation.
Practical considerations are also favorable. The net price for attending UC San Diego is $12,470, making it a relatively affordable option compared to other institutions. Graduates leave with a median debt of $15,500, which is manageable given their earning potential. Students who thrive here often pursue degrees in Biology, Engineering, Social Sciences, Psychology, and Computer Science, fields that are in high demand in today's job market.
Rankings They Appear On
California Polytechnic State University-San Luis Obispo and University of California-San Diego appear together in 6 rankings. On the Best Engineering Colleges in California, California Polytechnic State University-San Luis Obispo ranks #7 — California Polytechnic State University-San Luis Obispo outranks University of California-San Diego by 4 positions.
Top Degree Programs
California Polytechnic's top program is Mechanical Engineering (23% of enrollment), while California-San Diego leads with Biology (19%).
California Polytechnic
California-San Diego
Career Pathways
Program strengths at these schools feed into careers like Software Developer, Data Scientist, Cybersecurity Analyst (for California Polytechnic) and Software Developer, Data Scientist, Cybersecurity Analyst (for California-San Diego).
The two schools feed different job markets. California Polytechnic State University-San Luis Obispo is strongest in Business & Marketing, Computer Science & IT, while University of California-San Diego concentrates in Social Sciences, Psychology. Those concentrations determine which recruiters show up on campus and where alumni cluster by industry. Match the school's program strengths to the field you plan to enter.
Frequently Asked Questions
Is it harder to get into California Polytechnic State University-San Luis Obispo or University of California-San Diego?
University of California-San Diego is harder to get into, admitting 27% of applicants compared with 31% at California Polytechnic State University-San Luis Obispo.
Which is more affordable, California Polytechnic State University-San Luis Obispo or University of California-San Diego?
University of California-San Diego is more affordable, with an average net price of $12,470 after aid versus $16,665 at California Polytechnic State University-San Luis Obispo.
Do California Polytechnic State University-San Luis Obispo or University of California-San Diego graduates earn more?
California Polytechnic State University-San Luis Obispo graduates earn more: median earnings of $90,768 ten years after enrollment, versus $84,943 at University of California-San Diego.
Which has a better graduation rate, California Polytechnic State University-San Luis Obispo or University of California-San Diego?
University of California-San Diego has the higher graduation rate, 87% versus 86%.
Should you choose California Polytechnic State University-San Luis Obispo or University of California-San Diego?
It depends on what you weigh most. Choose University of California-San Diego if affordability and lower debt come first; choose California Polytechnic State University-San Luis Obispo if you're optimizing for post-grad earnings. The two schools win on different measures, so the better fit is the one whose strengths match your priorities.
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