Illinois State Board of Education (ISBE) records show that 55.5 percent of Crete-Monee High School's (CMSH) 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For CMHS, its college enrollment rate marks a decline since 2014, when 62.9 percent of its graduates chose post-secondary education.
The data, collected by the National Student Clearinghouse, includes two- and four-year colleges.
Enrollment at CMHS in 2015 was 1,654; 386 (23.34 percent) were seniors.
Also according to ISBE, 33.9 percent of CMHS 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."
Among high schools in Will County, the class of 2015 college readiness rates at Plainfield North High School (61.2 percent), Peotone High School (52.7 percent), Plainfield East High School (48.8 percent), Wilmington High School (46.0 percent) and Plainfield High School (41.1 percent) were all higher than at CMHS. Joliet Central High School (22.9 percent) was lower.
CMHS students did better on reading (31.2 percent) and English (57.5 percent) and worse on science (18.4 percent) and math (22.2 percent).
Only 11.7 percent of CMHS students were college ready in all four subjects, according to ISBE.