Stony Brook University, State University of New York SAT Scores, ACT Scores, Acceptance Rate, and Admissions Requirements
Stony Brook is test-optional, but its SAT range is still a real signal: 34% of enrolled students submitted scores, and the middle range was 1340 to 1480. If you test, aim around 1410 or higher so your score strengthens an application built around the 4.0 GPA profile they often see.
Data on this page is sourced from our college data partners and was last updated on July 9, 2026.
Stony Brook University, State University of New York facts and stats
Stony Brook University, State University of New York enrolls 18,263 undergraduates in a suburban campus setting. Stony Brook has a 90% freshman retention rate, which is well above the national average of roughly 70%, and its 6-year graduation rate is 76%. The student-to-faculty ratio is 19:1.
Stony Brook, NY
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Key Stony Brook University, State University of New York application dates
Key dates
Regular Decision
January 15
Early Action
November 15
Early Decision
Not offered
Priority Deadline
—
Financial Aid Priority
March 1
Test dates
August 22, 2026
Registration deadline: August 7, 2026
September 12, 2026
Registration deadline: August 28, 2026
October 3, 2026
Registration deadline: September 18, 2026
September 19, 2026
Registration deadline: August 14, 2026
October 17, 2026
Registration deadline: September 11, 2026
December 12, 2026
Registration deadline: November 6, 2026
If you choose to submit scores to test-optional Stony Brook, take your first SAT or ACT by the spring of junior year and save the summer before senior year and fall of senior year for retakes. If you are targeting the November 15 Early Action deadline, use the October SAT or ACT as your last fall retake likely to arrive in time and as a final superscoring opportunity.
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What you'll actually pay
Stony Brook is a public Coastal Athletic Association school with in-state tuition of $7,070 and out-of-state tuition of $28,880. About 67% of students receive aid, and the FAFSA priority deadline is March 1.
Stony Brook’s out-of-state tuition is $28,880, compared with $7,070 in-state, and room and board is $18,196. About 67% of students receive financial aid, with an average aid package of $15,561. Merit awards average $2,599, which can help but may not cover a large share of total costs. Graduates leave with an average debt of $23,558.
Student life at Stony Brook University, State University of New York
52% of undergrads live on campus
Freshman housing: Priority
Fraternities and sororities are active on campus. 2% of men join fraternities.
Similar schools
Vaughn College of Aeronautics and Technology
Flushing, NYAcceptance rate: 85%
SAT: 909–1293
ACT: 16–25
Adelphi University
Garden City, NYAcceptance rate: 65.9%
SAT: 1120–1330
ACT: 24–30
Acceptance rate: 77.5%
Acceptance rate: 100%
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