How has Williams College 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 20% (2010) to 8.3% (2024).
Applicants and students admitted
Applicants rose from 6,017 (2010) to 15,411 (2024).
Enrollment
Total enrollment rose from 2,101 (2010) to 2,164 (2024).
SAT mid-50% range
SAT mid-50% range moved from 1330–1540 (2016) to 1490–1570 (2024).
- Score data describes enrolled freshmen, not all admitted students.
- Years before 2016 use the old 2400-point SAT and are not shown.
ACT mid-50% range
ACT mid-50% range moved from 29–33 (2008) to 34–35 (2022).
Cost
In-state tuition rose from $43,190 (2011) to $72,510 (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.