How has California Polytechnic State University-San Luis Obispo changed over time?
Multi-year trends in admissions, enrollment, test scores, and cost. Every chart is labeled with its data source and the years it covers — no smoothing, no mixing sources.
Admission rate
Admission rate fell from 37% (2010) to 31% (2024).
Applicants and students admitted
Applicants rose from 31,489 (2010) to 68,371 (2024).
Enrollment
Total enrollment rose from 18,360 (2010) to 23,069 (2024).
SAT mid-50% range
SAT mid-50% range moved from 1150–1360 (2016) to 1220–1410 (2020).
- Score data describes enrolled freshmen, not all admitted students.
- Years before 2016 use the old 2400-point SAT and are not shown.
- Many schools became test-optional around 2020 — score changes partly reflect who chooses to submit.
ACT mid-50% range
ACT mid-50% range moved from 23–28 (2006) to 26–32 (2020).
Cost
In-state tuition rose from $7,911 (2011) to $15,039 (2025).
See how similar schools have changed
Binghamton University, NY39% admitted
Citadel Military College of South Carolina, SC23% admitted
Clemson University, SC38% admitted
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Data from IPEDS and the College Scorecard (U.S. Department of Education) and school Common Data Set filings; each chart names the source its series comes from. Most recent data year: 2025. Last updated October 19, 2026.