Do Oklahoma Residents Get In-State Tuition in Illinois? (Undergraduate, 2026)
No — Oklahoma residents pay full non-resident undergraduate tuition in Illinois, about $38,000 a year at University of Illinois Urbana-Champaign against $18,000 for residents. There is no exchange program between Oklahoma and Illinois; the only route to the in-state rate is establishing Illinois residency, which takes 12 months.
- You would pay
- $38,000/yr
- Resident pays
- $18,000/yr
- Over 4 yrs
- No saving available
Tuition and mandatory fees only, compiled from published rates and rounded. Excludes housing, books and course differentials. Eligibility is decided by the institution, not by this page.
Open this pair in the checker to switch level, compare other states, or copy a link to the result.
Oklahoma and Illinois sit in different compact regions, so nothing connects them. An Oklahoma resident at University of Illinois Urbana-Champaign pays $38,000 a year against $18,000 for an Illinois resident — a gap of $20,000.
The comparison that matters is with home: University of Oklahoma charges an Oklahoma resident $12,000 a year. 13 other states offer Oklahoma residents a reduced undergraduate rate, the lowest being Mississippi at about $9,900.
The discount most often missed here is institutional. Individual public universities run their own non-resident scholarships, and several effectively convert a strong out-of-state applicant to something near the in-state rate. Those sit outside every state agreement and are invisible on comparison sites.
Every route from Oklahoma to Illinois
No exchange program or bilateral agreement connects these two states at undergraduate level, so the route table is empty.
Where Oklahoma residents pay less
Staying home, an Oklahoma resident pays $12,000 a year for in-state undergraduate tuition at University of Oklahoma. The cheapest Illinois option for you is $38,000 at University of Illinois Urbana-Champaign, which is $26,000 a year more than staying home, or $104,000 over 4 years.
Oklahoma belongs to Academic Common Market (ACM) at undergraduate level, so 13 of 50 states offer Oklahoma undergraduate students a reduced rate. Illinois is not one of them.
| State | Route | Per year |
|---|---|---|
| Oklahoma to Mississippi | Academic Common Market · University of Mississippi | $9,900 |
| Oklahoma to West Virginia | Academic Common Market · West Virginia University | $9,900 |
| Oklahoma to Arkansas | Academic Common Market · University of Arkansas | $10,300 |
| Oklahoma to Texas | Texas Border-County Tuition Waiver · The University of Texas at Austin | $11,700 |
| Oklahoma to Maryland | Academic Common Market · University of Maryland, College Park | $11,900 |
Oklahoma's neighboring states, compared
What an Oklahoma resident pays for undergraduate tuition in each state that borders Oklahoma, cheapest first:
- Arkansas$10,300/yr · Academic Common Market
- Texas$11,700/yr · Texas Border-County Tuition Waiver
- New Mexico$28,300/yr · non-resident
- Kansas$30,600/yr · non-resident
- Missouri$31,600/yr · non-resident
- Colorado$41,300/yr · non-resident
Compare all 50 states from Oklahoma in the checker. Each figure is one reference campus per state, not a state average.
Illinois residency, in brief
Illinois grants in-state tuition after 12 months of domicile before the term begins (110 ILCS 305/7), and a financially dependent student takes the parents' domicile. Moving to Illinois to enroll does not by itself start the clock.
Illinois residency requirements in full · how long every state requires
Step by step
- Budget for the non-resident rate at University of Illinois Urbana-Champaign: $38,000 a year against $18,000 for residents.
- Check whether the specific campus you want offers its own non-resident scholarship or a border-county waiver — those are institutional, sit outside the state agreements, and are the most commonly missed discount.
- If you plan to stay, price the residency route: Illinois requires 12 months of domicile, and a financially dependent student takes the parents' domicile, so the family would need to move.
- Read the Illinois Board of Higher Education rules in full before you enroll — classification is decided once, and re-classification later in a degree is the hardest version of this problem.
Official links
Related
Asked and answered
›Do Oklahoma residents get in-state tuition in Illinois?
No. Oklahoma residents pay the full non-resident rate of $38,000 at University of Illinois Urbana-Champaign. The only route to the $18,000 in-state rate is establishing Illinois residency.
›How long does it take to get in-state tuition in Illinois?
Illinois requires 12 months of domicile before the term begins (110 ILCS 305/7), and a financially dependent student takes the parents' domicile.
›How much would undergraduate study in Illinois actually cost an Oklahoma resident?
About $38,000 a year in tuition and mandatory fees at University of Illinois Urbana-Champaign, against $18,000 for an Illinois resident. Figures are compiled 2025–26 published rates and exclude housing, books and course-specific differentials.
›Where can Oklahoma residents get reduced undergraduate tuition?
In 13 states at undergraduate level. Outside Illinois, the lowest are Mississippi ($9,900), West Virginia ($9,900), Arkansas ($10,300). Each figure is one reference campus, and awards are made campus by campus.
›Is studying in Illinois cheaper than staying in Oklahoma?
No. Oklahoma's in-state undergraduate rate is $12,000 a year at University of Oklahoma, and the cheapest Illinois option for an Oklahoma resident is $38,000, so Illinois costs about $26,000 more a year, or $104,000 over 4 years, in tuition and fees alone.
Sources
Every eligibility rule on this page is checked against the operating compact commission or the state's own residency authority. Last verified 2026-08-07.
Tuition figures on this page are compiled 2025–26 published rates (basis: published compiled), rounded to the nearest $100 and refreshed each June. Eligibility rules are checked against the cited compact commission or residency authority.
- Illinois Board of Higher Education — residency for tuition purposes ↗Accessed 2026-08-07
- University of Illinois Urbana-Champaign — tuition and fees ↗Accessed 2026-08-07
- University of Oklahoma — tuition and fees ↗Accessed 2026-08-07
How this page was made
Compiled and checked by Billy Reiner, editor of In-State Check. Last verified 2026-08-07.
- Compiled from published rate pages
- The in-state and non-resident figures are tuition and mandatory fees for one full-time year, read from University of Illinois Urbana-Champaign’s own 2025–26 rate page and rounded to the nearest $100. Housing, books, travel and course-specific differentials are not included in them.
- Checked against the administering body
- Compact membership at this level was checked against the commission that runs the program (SREB). The residency test — the durational requirement, the domicile evidence and the dependent-student rule — was checked against Illinois Board of Higher Education, 110 ILCS 305/7. Nothing here is taken from another comparison site.
Not advice. In-State Check is independent of every college, compact and state agency named here. Residency classification and award decisions are made by the institution you apply to. Found an error? Send the page URL and the source that contradicts it to [email protected], and the page is corrected and re-dated. Full methodology.