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Grinnell College and Allen College are both private nonprofit institutions — Grinnell College in Grinnell, IA and Allen College in Waterloo, IA. This page compares published admission, cost, and outcome data from federal sources so you can see the tradeoffs before you add either school to your list.
Grinnell, IA · Private
Acceptance rate: 14.5%
Undergrad enrollment: 1,729
Tuition: $68,106/year
Student-faculty ratio: 9.0:1
Graduation rate: 88.1%
Top programs: Social sciences, Biological sciences, Computer science
Best for: Students who want a private campus in Grinnell, IA with published program strength in Social sciences and Biological sciences.
Waterloo, IA · Private
Acceptance rate: Not reported
Undergrad enrollment: 261
Tuition: Not reported
Student-faculty ratio: 8.0:1
Graduation rate: Not reported
Top programs: Health professions
Best for: Students who want a private campus in Waterloo, IA with published program strength in Health professions.
| Factor | Grinnell College | Allen College |
|---|---|---|
| Acceptance rate | 14.5% | Not reported |
| SAT range (middle 50%) | 1410–1540 |
| Not reported |
| ACT range (middle 50%) | 31–34 | Not reported |
| Undergraduate enrollment | 1,729 | 261 |
| Out-of-state tuition | $68,106/year | Not reported |
| Average net price after aid | $17,648 | Not reported |
| Graduation rate | 88.1% | Not reported |
| Median earnings (10 years) | $62,830 | $71,261 |
| Student-faculty ratio | 9.0:1 | 8.0:1 |
| Institution type | Private nonprofit | Private nonprofit |
| Location | Grinnell, IA | Waterloo, IA |
| Largest program areas | Social sciences, Biological sciences, Computer science | Health professions |
Grinnell College is the larger undergraduate campus (1,729 students). Use the free side-by-side comparison tool to weigh cost, program fit, location, and outcomes for your own list — and verify deadlines and requirements with each college.
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Common questions when choosing between Grinnell College and Allen College
Grinnell College has an acceptance rate of 14.5%; Allen College is around Not reported. Selectivity is only one factor — GPA, essays, major, and residency (for publics) all change the odds.
Grinnell College tuition is $68,106/year. Allen College is Not reported. Compare net price after aid, not sticker price — especially for private schools and out-of-state publics.
Use College Decider's free comparison tool at /compare — add both schools to see tuition, acceptance rates, graduation outcomes, and more in one table.
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