How does the college acceptance calculator work?

CollegeCalcAI uses data from the U.S. Department of Education, NCES IPEDS, and Common Data Sets to calculate your personalized acceptance chances at over 1,100 schools based on your GPA, test scores, extracurriculars, and more.

Is CollegeCalcAI free?

Yes. The AI acceptance calculator is free and unlimited, with no account required. Two optional monthly plans add deeper AI: Advanced ($9.99/mo) adds school-specific AI analysis of your profile, and Extreme ($19.99/mo) adds the AI essay reviewer. Both paid plans are monthly subscriptions you can cancel anytime.

How accurate is the college chances calculator?

CollegeCalcAI uses real admissions data and a deterministic scoring model calibrated against 32 test scenarios across 9 student profiles and 6 school tiers. While no calculator can guarantee admission, our estimates are based on the same data admissions offices report publicly.

What schools are in the CollegeCalcAI database?

CollegeCalcAI includes over 1,100 schools across all 50 states including Ivy League, NCAA Division I, II, III, NAIA, and Christian colleges. Major universities like Harvard, Stanford, UCLA, Ohio State, Duke, Michigan, and hundreds more are included.

What is the AI strategy feature?

Premium users can generate a personalized AI-powered admissions strategy for any school. The AI analyzes your exact profile against the school admissions patterns and builds a custom 5-step action plan with your strengths, gaps, and specific steps to improve your chances.

Does CollegeCalcAI account for in-state vs out-of-state admission?

Yes. When you select your home state, CollegeCalcAI automatically applies an in-state residency bonus for public universities, reflecting the significant admissions advantage that in-state applicants receive at schools like UNC Chapel Hill, UCLA, University of Michigan, and other state flagships.

How does legacy status affect college admission chances?

Legacy status provides a meaningful admissions advantage, particularly at elite private universities where legacy applicants are historically admitted at 3-5x the regular rate. CollegeCalcAI's model scales the legacy boost based on school selectivity to reflect real-world admissions patterns.

Is CollegeCalcAI better than Reddit ChanceMe?

CollegeCalcAI provides instant, data-driven acceptance percentages based on real admissions data, while Reddit ChanceMe relies on subjective opinions from anonymous users. CollegeCalcAI also offers AI-powered personalized strategy with specific action plans, which ChanceMe does not provide.

Do SAT scores still matter for college admissions in 2026?

Yes, strong SAT and ACT scores still provide a meaningful admissions advantage at most schools, even those with test-optional policies. CollegeCalcAI lets you calculate your chances with and without test scores so you can make an informed decision about whether to submit yours.

How many AP classes do you need for college?

At elite schools, admitted students typically take 7-12 AP courses. At competitive state schools, 4-7 APs is common. CollegeCalcAI tracks both overall course rigor and specific AP count as separate factors, and the Power-Ups feature shows you exactly how adding more AP courses would impact your chances.

What is the CollegeCalcAI school-specific essay review?

The School-Specific Essay Review is a feature in CollegeCalcAI's Extreme tier ($20/month). You paste your college essay draft and select a target school; the tool scores your essay across six research-grounded dimensions calibrated to that school's own essay expectations: voice and authenticity, reflection and insight, specificity and detail, structure and craft, mechanics, and school and prompt fit, plus prioritized, school-specific revision Power-Ups. It is an editorial review that points you to an expert college consultant who can take the essay further; it does not assess or label AI authorship. Scoring is deterministic, so the same essay scores the same every time and changes only when the school or prompt changes.

How much do Advanced and Extreme cost?

The acceptance calculator is free and unlimited with no account required. Advanced is $9.99 per month and adds school-specific AI analysis of your profile, it surfaces your exact strengths and gaps relative to a specific school and builds a tailored improvement plan. Extreme is $19.99 per month and includes everything in Advanced plus the AI Essay Reviewer. Both paid plans are monthly subscriptions you can cancel anytime from your account settings.

Can CollegeCalcAI analyze my chances for a specific school?

Yes. The Advanced tier ($9.99/month) provides a deep AI analysis of your profile against a specific target school. It goes beyond a raw acceptance percentage: it identifies your profile's strengths and gaps relative to that school's admitted student profile and generates a tailored, school-by-school improvement plan. The free calculator gives you acceptance percentages across all schools; Advanced gives you the 'why' and 'what to do about it' for each specific school.

Does CollegeCalcAI help me find an admissions consultant?

Yes. CollegeCalcAI includes a searchable directory of independent educational consultants (IECs) at collegecalcai.com/consultants. You can filter by location and specialty to find an admissions professional who matches your needs. It is free to browse.

Can consultants put their own brand on the calculator?

Yes. CollegeCalcAI offers a white-label calculator program for independent admissions consultants and school counseling programs. Consultants can embed a branded version of the acceptance calculator directly on their own website to capture student leads. The white-label program is contact-based; consultants fill out an interest form at collegecalcai.com/white-label to get started.

AccessibleUpdated for the 2025-2026 cycle

Southern Illinois University acceptance rate and admissions profile

Southern Illinois University is a public university in Illinois with a 90% acceptance rate, which makes it accessible. Here is what it looks for, where it sits among Illinois schools, and how to estimate your own odds with CollegeCalcAI.

Acceptance rate

90%

Accessible

Admitted SAT (75th pct)

1150

of admitted students

Type

Public

Illinois

Selectivity in state

#35

of 37 in IL

Get your real chances at Southern Illinois University

CollegeCalcAI computes a personalized acceptance estimate from your GPA, scores, and activities. Free, no account.

Open the calculator

What Southern Illinois University looks for

What Southern Illinois University weighs most heavily in its admissions review, modeled from its selectivity and profile.

Rigor of secondary school record

Considered

Academic GPA

Important

Class rank

Considered

Standardized test scores

Considered

Character / personal qualities

Considered

First-generation status

Considered

State residency

Important

Work experience

Considered

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.

SAT	Where it sits at Southern Illinois University
1600	Above the admitted 75th percentile
1500	Above the admitted 75th percentile
1400	Above the admitted 75th percentile
1300	Above the admitted 75th percentile
1200	Above the admitted 75th percentile
1100	Below the middle, makes the rest of the profile matter more

How Southern Illinois University compares in Illinois

Southern Illinois University ranks #35 most selective of 37 schools in Illinois in our database.

University of Chicago

5%acceptance · IL

Northwestern University

7%acceptance · IL

University of Illinois

45%acceptance · IL

Illinois Wesleyan University

52%acceptance · IL

Lake Forest College

55%acceptance · IL

Chicago State University

56%acceptance · IL

Trinity Christian College

60%acceptance · IL

Augustana College

62%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.

Arizona State University

90%acceptance · AZ

Austin Peay State University

90%acceptance · TN

Marshall University

90%acceptance · WV

Nicholls State University

90%acceptance · LA

University of Kentucky

90%acceptance · KY

George Mason University

89%acceptance · VA

Frequently asked questions

How hard is it to get into Southern Illinois University?

Southern Illinois University has a 90% acceptance rate, which makes it accessible — it admits most qualified applicants. Admission depends on how your full profile compares to its admitted students, not on scores alone.

What SAT score do you need for Southern Illinois University?

There is no hard cutoff, but the admitted-student 75th-percentile SAT is around 1150. A score at or above the admitted range strengthens your application; CollegeCalcAI shows how your exact score shifts your odds.

What does Southern Illinois University value most in applicants?

Based on its admissions profile, Southern Illinois University weighs academic gpa, state residency most heavily. The full factor breakdown is on this page.

What are my chances of getting into Southern Illinois University?

Your chances depend on your GPA, course rigor, test scores, and activities together. Use the free CollegeCalcAI calculator to get a personalized acceptance estimate for Southern Illinois University in a few minutes, no account required.

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.