Illinois residents paid $8,126 to attend the two-year public institution in both the 2016-17 and 2017-18 academic years.
Non-resident students would have paid 46.5 percent more than residents this year, or $11,906. Non-resident tuition and fees was unchanged from $11,906 in 2016-17.
100 percent of the school's undergraduate population are Illinois residents.
Data shows 71 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 257 students received grants or scholarships totaling $1.22 million and 13 students took out student loans totaling more than $55,409.
Including all undergraduates, 2,312 students used grants or scholarships totaling $7.89 million. Another 461 took out $2.11 million in federal student loans.
Editor's note: A previous version of this story incorrectly described the cost of attendance, which includes both tuition and fees.