Illinois State Board of Education (ISBE) records show that 68.0 percent of Crystal Lake Central High School's (CLCHS) 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For CLCHS, its college enrollment rate marks a decline since 2014, when 70.0 percent of its graduates chose post-secondary education.
The Class of 2015 college-readiness rates among other high schools in McHenry County: Prairie Ridge High School (71.8 percent), Cary-Grove Community High School (71.4 percent), Crystal Lake South High School (62.2 percent), Woodstock High School (54.0 percent), Johnsburg High School (53.2 percent), Harvard High School (26.8 percent), Alden-Hebron High School (41.9 percent) and Woodstock North High School (43.6 percent).
The data, collected by the National Student Clearinghouse, includes two- and four-year colleges.
Enrollment at CLCHS in 2015 was 1,536; 385 (25.07 percent) were seniors.
Also according to ISBE, 59.5 percent of CLCHS seniors were "college ready" in 2015, vs. an average of 46 percent statewide.
All students who score a 21 on the ACT qualify as "college ready."
CLCHS students did better on math (53.4 percent) and English (72.9 percent) and worse on science (46.0) and reading (47.7).
Only 32.3 percent of CLCHS students were college ready in all four subjects, ISBE said.