At a glance · California

  • 14 colleges in California offer a bachelor's marine biology program: 9 awarded the degree in 2022-23 (federal IPEDS completions); 5 more report a marine biology admit rate in the UC/CSU data.
  • Largest programs by graduates in 2022-23: California State University-Monterey Bay (84), University of California-Santa Cruz (83), University of California-San Diego (79).
  • Hardest reported gate into the program (only the UC and the CSU publish one): University of California-Los Angeles — Marine Biology, Fall 2025: 883 applied, 36 admitted (4%).
  • Highest reported admit rate into the program: California State University-Monterey Bay — 97.5% (1,492 applied, 1,455 admitted, Fall 2025).
  • Highest median earnings four years after the degree: California State University-Monterey Bay, $59,782.
  • Lowest average net price with aid: California State University-Long Beach, $10,440 per year.

Every program on this list reports a first-year row, so a student can name the major on the application instead of waiting to declare it later. If a college you expected is missing, it is usually because it does not report marine biology under a name of its own, not because the program is closed to freshmen. Admits are not enrollees. At most UC programs students are admitted to the campus, not the major. This page as JSON → · All 86 colleges nationwide →

Hardest reported gate

4%
University of California-Los Angeles
Marine Biology, Fall 2025: 883 applied, 36 admitted

Highest reported admit rate

97.5%
California State University-Monterey Bay
Marine Science, Fall 2025: 1,492 applied, 1,455 admitted

Highest earnings, 4 yrs out

$59,782
California State University-Monterey Bay
median, graduates of this program

Lowest net price with aid

$10,440
California State University-Long Beach
average for aid recipients, per year

Every college, one row each

Colleges with a reported gate into the program come first, hardest first; the rest are sorted by earnings, then by graduates. Degree awarded is the program the college conferred bachelor's degrees in during 2022-23, with the number of graduates (federal IPEDS completions). Program admit rate is the college system's own number for this major (UC Information Center, CSU Chancellor's Office). Net price is the average paid by aid recipients; full price is the cost of attendance. Earnings are federal College Scorecard medians four years after the degree.

College Gate into the program Degree awarded
· graduates 2022-23
Program
admit rate
Campus
admit rate
Net price
with aid
Full
price
Earnings
4 yrs out
University of California-Los Angeles
CA · Public · Test-blind
Marine Biology
Fall 2025: 883 applied, 36 admitted · admit GPA 4.14–4.30
Marine Biology and Biological Oceanography
16 graduates
4% 11% $12,548 $38,614 —
University of California-Santa Barbara
CA · Public · Test-blind
Marine Science
Fall 2025: 196 applied, 26 admitted · admit GPA 4.08–4.25
— 13% 44% $16,109 $41,573 —
California Polytechnic State University-San Luis Obispo
CA · Public · Test-blind
Marine Science
Fall 2025: 630 applied, 137 admitted
impacted
Marine Sciences
25 graduates
21.7% 30% $16,665 $32,265 —
University of California-Berkeley
CA · Public · Test-blind
Marine Science
Fall 2025: 395 applied, 115 admitted · admit GPA 4.07–4.28
— 29% 10% $13,481 $45,619 —
University of California-San Diego
CA · Public · Test-blind
Marine Biology
Fall 2025: 1,890 applied, 562 admitted · admit GPA 4.10–4.28
Marine Biology and Biological Oceanography
79 graduates
30% 27% $12,470 $38,701 —
University of California-Davis
CA · Public · Test-blind
Marine And Coastal Science
Fall 2025: 628 applied, 284 admitted · admit GPA 3.92–4.22
Marine Sciences
14 graduates
45% 46% $14,741 $41,238 —
California State University-Long Beach
CA · Public · Test-blind
Marine Biology
Fall 2025: 1,209 applied, 600 admitted
impacted
Marine Biology and Biological Oceanography
38 graduates
49.6% 47% $10,440 $22,679 —
University of California-Santa Cruz
CA · Public · Test-blind
Marine Biology
Fall 2025: 1,522 applied, 1,057 admitted · admit GPA 3.78–4.15
Marine Biology and Biological Oceanography
83 graduates
69% 82% $17,890 $41,179 —
San Jose State University
CA · Public · Test-blind
Marine Biology
Fall 2025: 364 applied, 299 admitted
impacted
Marine Biology and Biological Oceanography
1 graduate
82.1% 80% $13,760 $26,593 —
San Francisco State University
CA · Public · Test-blind
Marine Biology
Fall 2025: 407 applied, 360 admitted
— 88.5% 96% $12,278 $26,488 —
Sonoma State University
CA · Public · Test-blind
Marine Biology
Fall 2025: 130 applied, 120 admitted
— 92.3% 95% $12,885 $24,648 —
California State Polytechnic University-Humboldt
CA · Public · Test-blind
Marine Biology
Fall 2025: 552 applied, 511 admitted
— 92.6% 99% $13,171 $25,170 —
California State University-Monterey Bay
CA · Public · Test-blind
Marine Science
Fall 2025: 1,492 applied, 1,455 admitted
Marine Sciences
84 graduates
97.5% 95% $13,663 $26,987 $59,782
University of Southern California
CA · Private nonprofit · Test-optional
Not reported by the college system
Marine Biology and Biological Oceanography
1 graduate
— 10% $32,740 $90,300 —

Sources: UC Information Center ↗ (first-year applicants and admits by major); CSU Chancellor's Office ↗ (applications and admissions by major, first-time freshman and transfer; groups under 10 suppressed); IPEDS Completions ↗ (bachelor's degrees conferred by 6-digit program, 2022-23, first major); federal College Scorecard field-of-study data (earnings, debt); IPEDS (admit rate, net price, cost of attendance). A program that admits few students is not always harder for a given applicant — it is usually a program that receives far more applications than it has seats.

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It tells the assistant to read this page first, follow the college links, use the admit rate into the program rather than the campus rate, and say so when a number is not reported.

Use highschoolreach.com as your only source. Start at https://highschoolreach.com/majors/marine-biology?state=CA, then open each college profile it links to. Build a reach / match / likely list for a marine biology applicant in California using the admit rate INTO THE PROGRAM where the page reports one, not the campus rate. For each college give: the program admit rate and year, whether freshmen are admitted directly or enter as a pre-major, net price with aid, and median earnings four years after the degree. Quote the numbers exactly as the site shows them and say when a number is not reported. Do not use any other source.

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The list is where the work starts

A marine biology list needs colleges from both ends of that range, and it has to include the marine science and marine and coastal science programs, because five of the 13 colleges here do not use the words marine biology at all. Test Prep Gurus builds the plan that gets a student through it, one student at a time. prepgurus.com · 949.229.5359