AccessibleProfile current for 2025-2026

Southern Illinois University acceptance rate and admissions profile

With an acceptance rate near 87%, Southern Illinois University is an accessible public university in Illinois. Because it admits most qualified applicants, admission turns on the strength of your whole profile rather than any one number.

Use this page to see what Southern Illinois University weighs, where it ranks among Illinois schools, and how a profile like yours is likely to land. Admitted students post a 75th-percentile SAT around 1150, a useful checkpoint for where your scores sit, though it is a reference range and not a cutoff.

Acceptance rate
87%
Accessible
Admitted SAT (75th pct)
1150
of admitted students
Type
Public
Illinois
Selectivity in state
#32
of 37 in IL
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Will I get into Southern Illinois University?

Direct answers to what applicants ask about getting into Southern Illinois University, plus a free way to calculate your own odds.

What are my chances of getting into Southern Illinois University?

Southern Illinois University admits most qualified applicants (around 87%), but that overall rate is not your personal chance. Your real odds depend on how your GPA, course rigor, test scores, and activities compare to its admitted students. Run your profile through the free CollegeCalcAI calculator to get a personalized acceptance percentage for Southern Illinois University in about three minutes, with no account needed to start.

Is Southern Illinois University hard to get into?

Southern Illinois University is accessible: it admits most qualified applicants, with about a 87% acceptance rate. Meeting the academic basics gives most qualified applicants a realistic shot.

What GPA do you need to get into Southern Illinois University?

There is no hard GPA cutoff at Southern Illinois University, but admitted students span a wide GPA range, with many in the 2.8 to 3.5 band. Southern Illinois University reads your GPA alongside the rigor of your courses, so a challenging schedule matters as much as the number itself.

What SAT score do you need for Southern Illinois University?

Southern Illinois University does not publish a required score, but the admitted-student 75th-percentile SAT is around 1150. A score at or above that range strengthens your application, while a lower score puts more weight on your rigor, activities, and essays. CollegeCalcAI shows how your exact score shifts your odds at Southern Illinois University.

Calculate your chances at Southern Illinois University

What Southern Illinois University looks for

What Southern Illinois University weighs most heavily in its admissions review, informed by its reported Common Data Set.

In its review, Southern Illinois University leans most on academic GPA and standardized test scores. Solid grades in a challenging schedule do most of the work here, with the rest of the application providing context. These ratings come from Southern Illinois University's reported Common Data Set, so the full chart below reflects what the school itself says it values, not a generic guess.

Rigor of secondary school record
Considered
Academic GPA
Very important
Class rank
Considered
Standardized test scores
Important

SAT score positioning at Southern Illinois University

How common SAT scores sit relative to the admitted middle. This is context, not a probability — your full profile determines the real estimate.

SATWhere it sits at Southern Illinois University
1600Above the admitted 75th percentile
1500Above the admitted 75th percentile
1400Above the admitted 75th percentile
1300Above the admitted 75th percentile
1200Above the admitted 75th percentile
1100Below the middle, makes the rest of the profile matter more
Colleges for a 1150 SAT →Colleges for a 23 ACT →See colleges by GPA →

How Southern Illinois University compares in Illinois

Southern Illinois University ranks #32 most selective of 37 schools in Illinois in our database.

Among the 37 Illinois schools we track, Southern Illinois University ranks #32 most selective by acceptance rate. Schools like University of Chicago (4%) and Northwestern University (8%) sit nearby, which makes Illinois a useful frame for calibrating a balanced list. As a public university, residency matters: in-state applicants generally see meaningfully better odds than the headline rate suggests.

University of Chicago
4%acceptance · IL
Northwestern University
8%acceptance · IL
Illinois Wesleyan University
39%acceptance · IL
University of Illinois
42%acceptance · IL
Chicago State University
43%acceptance · IL
Judson University
48%acceptance · IL
Governors State University
48%acceptance · IL
Quincy University
51%acceptance · IL
See all Illinois schools →

Similar to Southern Illinois University

Schools with a similar selectivity profile, worth comparing as you build a balanced list.

Build around Southern Illinois University with peers at a comparable selectivity, such as Boise State University, George Mason University, and North Carolina Central University. Running the same profile against each one in the free calculator is the fastest way to see where you are a reach, a match, or a likely.

Boise State University
87%acceptance · ID
George Mason University
87%acceptance · VA
North Carolina Central University
87%acceptance · NC
University of Hawaiʻi
87%acceptance · HI
University of Louisiana at Lafayette
87%acceptance · LA
University of Nebraska
87%acceptance · NE

Frequently asked questions

What does Southern Illinois University value most in applicants?

Based on its admissions profile, Southern Illinois University weighs academic GPA and standardized test scores most heavily. The full factor breakdown is on this page.

Does Southern Illinois University favor in-state applicants?

As a public university, Southern Illinois University generally admits in-state applicants at a higher rate than out-of-state applicants, so your home state affects your odds. CollegeCalcAI applies an in-state residency boost when you select your state.

How can I improve my chances at Southern Illinois University?

Focus on the highest-leverage parts of your application: course rigor and GPA trajectory first, then test scores, then a focused leadership or activity spike. CollegeCalcAI's Power-Ups quantify how much each change would move your odds at Southern Illinois University specifically.

How does residency affect admission to Southern Illinois University?

As a public university, Southern Illinois University typically admits in-state students at a higher rate, and tuition differs sharply by residency. Select your home state in the calculator to fold the in-state effect into your estimate.

What are the admission requirements for Southern Illinois University?

Southern Illinois University reviews GPA, course rigor, test scores (where submitted), activities, and essays. With a more accessible acceptance rate, meeting the academic basics gives most qualified applicants a realistic shot.

Acceptance rate and admitted test ranges reflect publicly reported data (U.S. Department of Education / NCES IPEDS / Common Data Sets). Estimates from CollegeCalcAI are a planning tool computed by a fixed, transparent model, not a guarantee of any admission decision.