Dupage Policy Journal

Community High School District 99 welcomed 4,630 students in the 2023-24 school year, according to the Illinois State Board of Education.

This is a 1.5% decrease from the previous school year.

Downers Grove South High School had the largest enrollment in the district with 2,561 students.

Community High School District 99 roughly covers schools within DuPage County and has a main office in Downers Grove.

In 2022, Illinois had 1,925,415 students enrolled in a total of 3,977 schools. There were 130,467 teachers in the public schools, or roughly one teacher for every 15 students, compared to the national average of 1:16.

K-12 enrollment has been declining in Illinois for many years, reflecting demographic changes. Combined public and private K-12 enrollment dropped three percent between the 2019-2020 and 2020-2021 school year (60,900 students), far more than the typical 0.5 percent to 1.5 percent annual enrollment declines in Illinois over the last 5 years.

School	Enrollment	Change from Previous Year (%)
Downers Grove South High School	2,561	-1.3%
Downers Grove North High School	2,069	-1.7%