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Rensselaer Polytechnic Institute and Adelphi University are both private nonprofit institutions — Rensselaer Polytechnic Institute in Troy, NY and Adelphi University in Garden City, NY. 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.
Troy, NY · Private
Acceptance rate: 63.5%
Undergrad enrollment: 5,714
Tuition: $64,081/year
Student-faculty ratio: 14.0:1
Graduation rate: 83.6%
Top programs: Engineering, Computer science, Biological sciences
Best for: Students who want a private campus in Troy, NY with published program strength in Engineering and Computer science.
Garden City, NY · Private
Acceptance rate: 65.9%
Undergrad enrollment: 5,276
Tuition: $49,110/year
Student-faculty ratio: 12.0:1
Graduation rate: 67.2%
Top programs: Health professions, Biological sciences, Business and marketing
Best for: Students who want a private campus in Garden City, NY with published program strength in Health professions and Biological sciences.
| Factor | Rensselaer Polytechnic Institute | Adelphi University |
|---|---|---|
| Acceptance rate | 63.5% | 65.9% |
| SAT range (middle 50%) |
| 1375–1510 |
| 1120–1340 |
| ACT range (middle 50%) | 30–34 | 24–30 |
| Undergraduate enrollment | 5,714 | 5,276 |
| Out-of-state tuition | $64,081/year | $49,110/year |
| Average net price after aid | $36,228 | $30,783 |
| Graduation rate | 83.6% | 67.2% |
| Median earnings (10 years) | $102,051 | $75,482 |
| Student-faculty ratio | 14.0:1 | 12.0:1 |
| Institution type | Private nonprofit | Private nonprofit |
| Location | Troy, NY | Garden City, NY |
| Largest program areas | Engineering, Computer science, Biological sciences | Health professions, Biological sciences, Business and marketing |
Both schools admit a similar share of applicants (63.5% vs 65.9%). Adelphi University has a lower average net price after grant aid ($30,783 vs $36,228). Rensselaer Polytechnic Institute reports the higher graduation rate (83.6% vs 67.2%). Rensselaer Polytechnic Institute is the larger undergraduate campus (5,714 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 Rensselaer Polytechnic Institute and Adelphi University
Rensselaer Polytechnic Institute has an acceptance rate of 63.5%; Adelphi University is around 65.9%. Selectivity is only one factor — GPA, essays, major, and residency (for publics) all change the odds.
Rensselaer Polytechnic Institute tuition is $64,081/year. Adelphi University is $49,110/year. 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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