Adelphi University vs. SUNY Stony Brook

Comparable Facts

Compare Adelphi University in Garden City, NY with Stony Brook University in Stony Brook, NY on tuition, admissions, graduation, earnings, and student body data using the table above.

Stony Brook University is larger than Adelphi University based on total student enrollment (26,689 students vs. 7,603 students)

Location, institution type, and student-faculty ratio

• Adelphi University is located in Garden City, NY (Large Suburban setting); Stony Brook University is in Stony Brook, NY (Large Suburban setting).
• Adelphi University is a private, non-profit 4-year institution. Stony Brook University is a public, non-profit 4-year institution.
• Student-to-faculty ratio: Adelphi University 12:1; Stony Brook University 19:1.

Adelphi University vs. SUNY Stony Brook Cost Comparison

Which college is more expensive, Adelphi University or SUNY Stony Brook? Published tuition is the sticker price; many students pay less after aid (see average net price below).

• The typical actual cost that students pay to attend (average net price) is less at Stony Brook University than Adelphi University ($20,992 vs. $31,303).
• Living costs (room and board or off-campus housing budget) at Stony Brook University are 9.1% lower than at Adelphi University ($18,196 vs. $20,028).
• Adelphi University is 349.3% more expensive for in-state tuition than SUNY Stony Brook (about $38,179 more per year; $49,110.00 vs. $10,931.00).
• Out-of-state tuition is 50% higher at Adelphi University than at Stony Brook University (about $16,369 more per year; $49,110.00 vs. $32,741.00).
• A larger share of students receive grant aid at Stony Brook University than at Adelphi University (98% vs. 95%).
• The average total grant financial aid received by Adelphi University students is 244.4% larger than aid received by Stony Brook University students ($31,976 vs. $9,285).

Adelphi University vs. SUNY Stony Brook Admissions comparison

Which college is harder to get into, Adelphi University or SUNY Stony Brook? Typical SAT and ACT scores (same estimates as in the table above), middle 50% test ranges where reported, test score submission policy, deadlines, and acceptance rates summarize admission difficulty between SUNY Stony Brook and Adelphi University.

• The typical SAT score (median estimate) at Stony Brook University (1420) is 190 points higher than at Adelphi University (1230).
• Incoming SUNY Stony Brook students have a 4 point higher typical ACT composite (median estimate) (31 vs. 27 at Adelphi University).
• Reported middle 50% SAT composite range (25th-75th percentile) for admitted students: Adelphi University 1120/1340; Stony Brook University 1330/1500.
• Reported middle 50% ACT composite range (25th-75th percentile) for admitted students: Adelphi University 24/30; Stony Brook University 29/33.
• Submitting SAT or ACT scores: Adelphi University - Test optional; SUNY Stony Brook - Test optional.
• Typical fall application deadline: SUNY Stony Brook Jan 15, 2027.
• Accepted freshman SUNY Stony Brook students have a 0.25 point higher average high school GPA (3.94) than students at Adelphi University (3.69).
• Adelphi University has a higher acceptance rate (65.9%) than SUNY Stony Brook (49%).
• The share of admitted students who enrolled (yield) is 10.3% at Adelphi University vs. 14.7% at SUNY Stony Brook.

Adelphi University vs. SUNY Stony Brook Graduation Outcomes Comparison

How do outcomes compare for Adelphi University and SUNY Stony Brook? Graduation rate, earnings, and student loan debt are common indicators. The bullets below summarize the same federal outcomes fields as the comparison table (College Scorecard / IPEDS where applicable).

• Stony Brook University's six-year graduation rate (67%) is higher than Adelphi University's (66%).
• Graduates from Stony Brook University earn a median of about $900 more per year than Adelphi University graduates about ten years after starting college ($59,300 vs. $58,400), per the same Scorecard earnings definition.
• Among federal student loan borrowers, Stony Brook University graduates have a $6,500 lower median loan debt than Adelphi University graduates ($19,000 vs. $25,500).
• Among borrowers, SUNY Stony Brook graduates have an estimated $67 lower median monthly federal student loan payment than Adelphi University graduates ($196 vs. $263).
• More SUNY Stony Brook graduates are actively paying back their federal student loan debt than former Adelphi University students, three years after graduation. (73% vs. 70%)

Sources: U.S. Department of Education https://nces.ed.gov IPEDS and College Scorecard https://collegescorecard.ed.gov/. Values reflect the most recent year available in our dataset.