About CHSD 99
CHSD 99 is a public school system serving Dupage County, Illinois, based in Downers Grove. It serves 4,673 students across 2 schools spanning 9–12, and is classified as a city: small district. By enrollment it is the #70 largest of Illinois’s 862 school systems.
Size and structure
CHSD 99 enrolls 4,673 students in 2 schools — an average of about 2,336 students per school. It serves grades 9–12 and ranks #70 of 862 statewide by enrollment.
Who the district serves
Student race and ethnicity in CHSD 99, from the NCES Common Core of Data (4,673 students reported):
For economically-disadvantaged, English-learner, and special-education shares, plus school-by-school detail, see the federal sources in the full-data section.
Teachers & staff
CHSD 99 employs about 328 full-time-equivalent teachers for a student–teacher ratio of 14.2:1 — above the Illinois average of about 13.6:1. Total district staff is roughly 841.
Counselor and librarian/media counts are not published at the district level in the current NCES release; see the federal full-data links for staffing detail.
How Illinois funds schools
District-level per-pupil spending and the local/state/federal revenue split for CHSD 99 are published in the federal school-finance files — see the full-data links below for the current figures.
Report card & state results
Illinois publishes the Illinois Report Card each year, reporting achievement and growth in English language arts and math, graduation, attendance, finances and climate, and assigns each school a summative designation (Exemplary, Commendable, Targeted or Comprehensive Support). Look up CHSD 99 on the Illinois Report Card.
Accreditation status
Illinois does not use an outside accreditor for public districts; the Illinois State Board of Education grants official recognition status based on compliance with state standards, and private accreditation (for example through Cognia) is voluntary. See ISBE’s public-school recognition.
CHSD 99 vs. Illinois
See every Illinois district side by side in the Illinois directory.
Look up CHSD 99’s full data
These official sources carry the district-level detail — finances, discipline, equity, test scores, boundaries. Direct links for this district (via its NCES ID):