How has Southern Illinois University-Carbondale 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 rose from 59% (2010) to 87% (2024).
Applicants and students admitted
Applicants fell from 12,664 (2010) to 10,858 (2024).
Enrollment
Total enrollment fell from 20,037 (2010) to 11,790 (2024).
SAT mid-50% range
SAT mid-50% range moved from 880–1130 (2016) to 900–1160 (2024).
ACT mid-50% range
ACT mid-50% range moved from 19–24 (2008) to 19–27 (2022).
Cost
In-state tuition rose from $11,038 (2011) to $13,544 (2025).
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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.