District Overview
Headquartered at 6301 Springside Ave in Downers Grove, Illinois, CHSD 99 is an open, regular public school district operating within a small city community setting in the Chicago-Naperville-Elgin metropolitan area. Serving high school students exclusively across grades 9 through 12, this non-charter district operates two schools and falls within U.S. Congressional District 1706, State Senate District 17041, and State House District 17081. Families, students, and researchers can connect with the district directly at (630) 795-7101 or explore its educational resources online at http://www.csd99.org.

According to the 2024–2025 NCES dataset, CHSD 99 serves an overall enrollment of 4,673 students, evenly distributed across 1,156 ninth graders, 1,140 tenth graders, 1,178 eleventh graders, and 1,199 twelfth graders. The student body includes 2,396 male, 2,274 female, and 3 unspecified students, reflecting a demographic composition of 2,844 White, 901 Hispanic, 380 Black, 324 Asian, 204 multiracial, 12 Pacific Islander, and 5 American Indian students, with 3 students unlisted. To support its academic programs and operational needs, the district maintains a total staffing context of 1,683.36 full-time equivalent (FTE) employees, including 655.8 teacher FTEs, 81.38 instructional aide FTEs, and 946.18 support staff FTEs.
2
Total Schools
4,673
Total Students
655.8
Full-Time Teachers
7.1
Student/Teacher Ratio
Demographics

District Demographics Data Table

Student Demographics for CHSD 99
Demographic Student Count
White2,844
Hispanic901
Black380
Asian324
Two or More204
American Indian5
Pacific Islander12
  • White
    2,844 (60.9%)
  • Hispanic
    901 (19.3%)
  • Black
    380 (8.1%)
  • Asian
    324 (6.9%)
  • Two or More
    204 (4.4%)
  • Pacific Islander
    12 (0.3%)
  • American Indian
    5 (0.1%)
School Levels

School Levels Data Table

School Levels in CHSD 99
School LevelSchool Count
Elementary0
Middle0
High2
Other0
School Map
District Details
Status:Open
District type:Regular public school district that is not a component of a supervisory union
Charter:Not a charter district
Number of schools:2
Students:4,673*
Teachers (FTE):655.8*
Pupil/Teacher Ratio:7.1
Schools in CHSD 99
Found 2 Schools