Head-to-Head Comparison
California Polytechnic State University-San Luis Obispo vs Purdue University-Main Campus
California Polytechnic State University-San Luis Obispo
San Luis Obispo, CA
Purdue University-Main Campus
West Lafayette, IN
- California Polytechnic Wins
- 17
- Tied
- 10
- Purdue University-Main Wins
- 17
Direct Answer
For overall financial value, Purdue University-Main Campus offers a significantly safer investment tier. While California Polytechnic State University-San Luis Obispo achieves a higher graduation rate (86% vs 83%), its annual cost of attendance sits at $16,665 compared to Purdue University-Main Campus's $14,600 for in-state paths. Students who choose Purdue University-Main Campus benefit from a cost structure that keeps debt manageable while maintaining competitive graduate earnings of $72,424 at ten years.
44 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, 25% more than Purdue University
- Higher grad rate: 86% of students finish, the higher completion rate of the pair
- Less debt: Median debt of $18,500, the lower of the two
- More selective: Admits 31% of applicants, which makes for a more competitive peer group
Purdue University-Main
- Lower cost: Average net price of $14,600, roughly $2,065 a year less
The Actual Decision
What are you really choosing between?
California Polytechnic graduates concentrate in Engineering (23% of degrees); Purdue University-Main in Engineering (25%). 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 Purdue University. Median earnings of $90,768 ten years after enrollment vs $72,424.
Pick Purdue University over California Polytechnic State University-San Luis Obispo. Net price $14,600 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 Purdue University are close on paper, but California Polytechnic State University-San Luis Obispo 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
California Polytechnic State University-San Luis Obispo is the harder admit. It takes 31% of applicants, while Purdue University takes 50%.
So what: If test scores and a high-scoring peer group matter to you, California Polytechnic State University-San Luis Obispo 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, Purdue University comes out ahead. Its average net price after aid is $14,600, about $2,065 a year below California Polytechnic State University-San Luis Obispo's $16,665. Graduates of California Polytechnic State University-San Luis Obispo also borrow less: median debt of $18,500, against $19,500.
So what: Over four years, the gap adds up to about $8,260 before any change in aid. Choosing Purdue University 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 $72,424 at Purdue University. That is a 25% advantage. Set against borrowing, California Polytechnic State University-San Luis Obispo has the lower debt-to-earnings ratio, 0.2x to 0.27x.
So what: An earnings gap of 25% 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 Purdue University 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. Purdue University saves about $2,065 a year, yet California Polytechnic State University-San Luis Obispo graduates earn $18,344 more ten years after enrollment. The cost advantage and the earnings premium sit at different schools, so your time horizon decides which counts more.
Who Should Look Elsewhere
- Cost-conscious students: net price of $16,665 runs well above Purdue University's $14,600.
- Students who want a smaller campus: Purdue University's enrollment of 44,503 far exceeds California Polytechnic State University-San Luis Obispo's 21,996.
Full Data Breakdown
Inside the admissions office
Purdue University-Main holds onto its admits more tightly: 49% of admitted students enroll, versus 26% at California Polytechnic — a sign of how often it wins head-to-head choices. Test scores matter less at California Polytechnic, where only about 23% of enrolled freshmen submitted any SAT or ACT.
Source: each school's published Common Data Set, via collegedata.fyi.
Overview 5 metrics
Admissions 4 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.
Purdue University-Main Campus
West Lafayette, IN · Public
With an enrollment of over 44,500 students, Purdue University in West Lafayette, Indiana, is a solid choice for those who thrive in a large, dynamic environment. It’s particularly appealing for students interested in engineering, business, computer science, biology, and social sciences. The 50% acceptance rate suggests a competitive atmosphere, and the 83% graduation rate indicates that many students are successfully completing their degrees.
After graduation, students can expect a median earning of $72,424 after ten years. That’s a significant number, especially for graduates entering fields like engineering and technology. While the cost of attendance is reasonable, the long-term financial outlook is promising, making it clear that a degree from Purdue can lead to solid career opportunities.
When it comes to affordability, the net price after aid averages around $14,600, which is manageable for many families. With a median debt of $19,500, students leave with a debt load that is relatively low compared to potential earnings. Those who tend to thrive here are often self-motivated, ambitious, and ready to take advantage of the university's strong programs and supportive resources.
Rankings They Appear On
Purdue University-Main Campus is featured on the Best Engineering Colleges in Indiana ranking.
Top Degree Programs
Both schools share Mechanical Engineering as their top enrolled program field, comprising 23% of California Polytechnic's student body and 25% of Purdue University-Main's.
California Polytechnic
Purdue University-Main
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 Purdue University-Main).
Frequently Asked Questions
Is it harder to get into California Polytechnic State University-San Luis Obispo or Purdue University?
California Polytechnic State University-San Luis Obispo is harder to get into, admitting 31% of applicants compared with 50% at Purdue University.
Which is more affordable, California Polytechnic State University-San Luis Obispo or Purdue University?
Purdue University is more affordable, with an average net price of $14,600 after aid versus $16,665 at California Polytechnic State University-San Luis Obispo.
Do California Polytechnic State University-San Luis Obispo or Purdue University graduates earn more?
California Polytechnic State University-San Luis Obispo graduates earn more: median earnings of $90,768 ten years after enrollment, versus $72,424 at Purdue University.
Which has a better graduation rate, California Polytechnic State University-San Luis Obispo or Purdue University?
California Polytechnic State University-San Luis Obispo has the higher graduation rate, 86% versus 83%.
Should you choose California Polytechnic State University-San Luis Obispo or Purdue University?
It depends on what you weigh most. Choose Purdue University 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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