Chambana Sun

In a year when 83 percent of Centennial High School seniors graduated on time, 62 percent of those who attended Illinois community colleges had to enroll in remedial courses because they weren't prepared for college-level classes, according to data from the Illinois State Board of Education for the Class of 2015.

Data from the class that graduated in 2015 shows 68 percent of Centennial students enrolled in two- or four-year programs at college or university within 12 months of graduating high school, compared to 70 percent across the state. After 16 months, the rate is 73 percent.

Of the 62 percent of Centennial graduates who took remedial courses at Illinois community colleges, 33 percent took them in reading, while 42 percent took remedial courses in math and 37 percent took remedial courses in communications.

Statewide, 47 percent of students enrolled in community colleges across the state had to take remedial classes.

Remediation for area schools: Class of 2015