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California Polytechnic State University-San Luis Obispo: cost, admission and results

California Polytechnic State University-San Luis Obispo is a public college in San Luis Obispo, California. It has about 21,996 undergraduate students. It admits 31% of applicants. The average net price for students with federal aid is $18,832 a year.

At a glance

  • 31%Admission rate
  • $18,832Net price a year
  • 87%Graduation rate
  • $96,304Median earnings, 10 years on
Location
San Luis Obispo, California 93407
Type
Public
Degrees
Mostly bachelor's degrees (four-year)
Setting
Suburb of a small city
Undergraduate students
21,996
Graduate students
1,036
Students per teacher
19 to 1
Accredited by
Western Association of Schools and Colleges Senior Colleges and University Commission
Website
calpoly.edu

Getting in

California Polytechnic State University-San Luis Obispo admits 31% of those who apply, which makes it selective. The median admission rate of colleges on this site that report one is 77%.

What it costs

Tuition and fees, students from California$15,039
Tuition and fees, students from elsewhere$37,005
Room and meals on campus$19,443
Books and supplies$1,119
Average full cost of a year (tuition, living, books), before aid$36,515
Average net price after grants and scholarships$18,832

The net price is what students who got federal aid paid on average for a year after grants and scholarships were taken off (for a public college, students from inside the state). It is 16% below the median net price of colleges in California on this site ($22,336). International students are normally charged the out-of-state tuition and do not receive US federal aid.

Net price by family income

Family income a yearAverage net price
Up to $30,000$10,354
$30,001 to $48,000$9,975
$48,001 to $75,000$12,476
$75,001 to $110,000$18,082
Above $110,000$31,461

For students who received federal aid. A negative figure means grants were larger than the cost counted.

For an estimate that fits your own family, use the college's net price calculator.

Results

MeasureThis collegeCA medianUS median
Students who come back for a second year96%76%73%
Students who finish their degree (within one and a half times the normal length)87%51%49%
Median earnings 10 years after starting$96,304$53,420$53,132
Median federal loan debt of those who finish$16,500$17,297$19,994

Medians are the middle value of the colleges on this site in California and in the whole country. Completion and return rates count first-time, full-time students. Earnings and debt count students who received federal aid.

The students

23% of undergraduates receive a Pell Grant, the federal grant for students from lower-income families. 24% take a federal student loan. The undergraduate body is 51% women and 49% men. By undergraduate numbers it is number 18 of the 267 colleges in California on this site that report a size; the middle-sized one has 2,759.

Other colleges in California of a similar size

Common questions

What is the acceptance rate of California Polytechnic State University-San Luis Obispo?

California Polytechnic State University-San Luis Obispo admits 31% of applicants, according to the College Scorecard.

How much is tuition at California Polytechnic State University-San Luis Obispo?

Published tuition and fees are $15,039 a year for students from California and $37,005 for others. Most students with aid pay less: see the net price.

What is the graduation rate of California Polytechnic State University-San Luis Obispo?

87% of first-time, full-time students finish within one and a half times the normal length of the course.

Source: College Scorecard, U.S. Department of Education, data released on 2 November 2026; checked in November 2026. Net price, debt and earnings describe students who received US federal aid. Costs change each year. This is official data for general information, not advice: confirm costs and admission rules on the college's own website and at collegescorecard.ed.gov.

All colleges in California How to read these figures