Illinois State Board of Education (ISBE) records show that 85.8 percent of Glenbard South High School's (GSHS) 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For GSHS, its college enrollment rate marks an improvement over 2014, when 85.1 percent of its graduates chose post-secondary education.
The data, collected by the National Student Clearinghouse, includes two- and four-year colleges.
Enrollment at GSHS in 2015 was 1,228; 344 (28 percent) were seniors.
Also according to ISBE, 64.3 percent of GSHS 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 DuPage, the class of 2015 college readiness rates at Hinsdale Central High School (87.1 percent), Neuqua Valley High School (85.9 percent), Naperville Central High School (77.4 percent), Naperville North High School (77 percent), Metea Valley High School (71 percent) and York Community High School (71.8 percent) were all higher than at GSHS. Fenton High School (40.5 percent) and Lisle High School (63.4 percent) were all lower.
GSHS students did better on math (63.3 percent) and English (74.8 percent) and worse on science (52.5 percent) and reading (54.1 percent).
Only 40.7 percent of GSHS students were college ready in all four subjects, according to ISBE.
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