Illinois State Board of Education (ISBE) records show that 54 percent of Casey-Westfield Junior/Senior High School's 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For CWJSH, its college enrollment rate marks a decline since 2014, when 63.0 percent of its graduates chose post-secondary education.
The data, collected by the National Student Clearinghouse, includes two and four year colleges.
Enrollment at CWJSH in 2015 was 441. 61 (13.83 percent) were seniors.
Also according to ISBE, 33.9 percent of CWJSH seniors were "college ready" in 2015, versus an average of 46 percent statewide.
All students who score a 21 on the ACT qualify as "college ready."
CWJSH students did better on reading (32.1 percent) and English (58.9 percent) and worse on science (23.2) and math (32.1).
Only 16.1 percent of CWJSH students were college ready in all four subjects, according to ISBE.