Illinois State Board of Education (ISBE) records show that 65.1 percent of Plainfield High School's (PHS) 2015 graduating class enrolled in college within 12 months of graduation.
The 2015 state average for students in public schools was 70 percent.
For PHS, its college enrollment rate marks a decline since 2014, when 70.7 percent of its graduates chose post-secondary education.
The data, collected by the National Student Clearinghouse, includes two- and four-year colleges.
Enrollment at PHS in 2015 was 2,057; 522 (25.38 percent) were seniors.
Also according to ISBE, 41.1 percent of PHS 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 Lincoln-Way East High School (71.1 percent), Lincoln-Way Central High School (65.8 percent), Plainfield North High School (61.2 percent), Peotone High School (52.7 percent), Reed-Custer High School (44.1 percent) and Plainfield East High School (48.8 percent) were all higher than at PHS. Bolingbrook High School (34.3 percent), Romeoville High School (38.4 percent), and Joliet West High School (40 percent) were all lower.
PHS students did better on math (37.9 percent) and English (56.5 percent) and worse on science (28.1 percent) and reading (35.4 percent).
Only 15.8 percent of PHS students were college ready in all four subjects, according to ISBE.
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