Illinois State Board of Education (ISBE) records show that 79.6 percent of Lockport Township High School East's (LTHS) 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For LTHS, its college enrollment rate marks an improvement over 2014, when 76 percent of its graduates chose post-secondary education.
The data, collected by the National Student Clearinghouse, includes two- and four-year colleges.
Enrollment at LTHS in 2015 was 3,670; 917 (24.99 percent) were seniors.
Also according to ISBE, 59.8 percent of LTHS 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 rate at Lincoln-Way East High School (71.1 percent) was higher. Lincoln-Way North High School (63 percent), Plainfield North High School (61.2 percent), Joliet Central High School (22.9 percent), Romeoville High School (38.4 percent), Joliet West High School (40 percent) and Plainfield High School (41.1 percent) were all lower.
LTHS students did better on math (52.0 percent) and English (75.8 percent) and worse on science (45.1 percent) and reading (47.8 percent).
Only 31.8 percent of LTHS students were college ready in all four subjects, according to ISBE.