Tuition, housing, and what families actually pay on average
Automatic merit and competitive scholarships
Out-of-state tuition matching and MSEP participation
Honors Program and leadership-based full rides
📊 Admissions Snapshot
Acceptance Rate: ~92%
Middle 50% ACT: 19–25
Middle 50% SAT: 990–1210
Average HS GPA (middle 50%): 3.3–3.9
Source: Southern Illinois University Carbondale Common Data Set 2024–25 and BigFuture
overview. Middle 50% = range where half of admitted students fall.
🏆Chancellor’s Scholarship: Full ride (competitive) — see
Flagship (Competitive) for details.
Average Net Price
$16,177/year
What families actually paid on average
Automatic Merit (OOS)
$1,500–$12,000/year (Saluki Scholars Awards)
Guaranteed if GPA meets published thresholds
Typical Qualifiers
GPA 3.3+, ACT 23+, or SAT 1150+
Higher awards for top 10% of admitted students
Testing Policy
Test-optional through 2026
Superscores ACT/SAT if submitted for merit review
Key Deadlines
Priority Admission: Dec 1 • Scholarship: Feb 1 • FAFSA: Mar 1
Apply by Dec 1 for best merit and Honors consideration
Honors College
University Honors Program
Perks: Honors housing, research funding, and small seminar classes
Full-Tuition / Full-Ride
Chancellor’s Scholarship (full ride)
Competitive; covers tuition, fees, room, and board
Residency & Waivers
In-State Tuition for All U.S. Residents
SIU matches in-state tuition for all domestic students
Data verified via SIU Carbondale 2025–26 scholarship portal, Common Data Set 2024–25, and
official SIU policy. SIU continues to offer in-state tuition to all U.S. residents for
2025–26.
Last verified: October 18, 2025
Southern Illinois University (Carbondale) is one of the Midwest’s most affordable research
universities—especially for nonresidents, thanks to its in-state tuition match for all U.S.
students. Automatic merit awards start around a 3.0 GPA, and top applicants compete for the
full-ride Chancellor’s Scholarship.
With generous tuition policies, MSEP participation, and a robust Honors Program, SIU provides
serious scholarship value for academically driven students from across the country—particularly
those seeking strong STEM, aviation, or business programs without private-school prices.
FAQ
Is this college test-optional? Yes — SIU is test-optional through 2026 and
considers GPA and coursework for automatic merit awards.
What is the middle 50% ACT/SAT? ACT: 19–25; SAT: 990–1210 (for students who
submitted scores).
What’s the average net price? About $16,177/year after aid.
See our Net Price & SAI guide.
Does this school use reciprocity or OOS waivers? Yes — SIU offers in-state
tuition to all U.S. residents and participates in the Midwest Student Exchange Program (MSEP).
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