Top Rankings
CHSD 99 School District ranks among the top 20% of public school district in Illinois for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Graduation Rate
Highest graduation rate (Top 10%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 2 public high schools serving 4,673 students in CHSD 99 School District. This district's average high testing ranking is 9/10, which is in the top 20% of public high schools in Illinois.
Public High Schools in CHSD 99 School District have an average math proficiency score of 45% (versus the Illinois public high school average of 26%), and reading proficiency score of 41% (versus the 29% statewide average).
Public High School in CHSD 99 School District have a Graduation Rate of 93%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Community H S Dist 99 - North High School, with 94% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 39% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
2 Schools
1,040 Schools
# Students
4,673 Students
599,562 Students
# Teachers
328 Teachers
42,663 Teachers
Student-Teacher Ratio
14:1
14:1
Student By Grade
District Rank
CHSD 99 School District, which is ranked within the top 20% of all 861 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 93% has stayed relatively flat over five school years.
Overall District Rank
#148 out of 865 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45%
27%
Reading/Language Arts Test Scores (% Proficient)
41%
30%
Science Test Scores (% Proficient)
63%
50%
Graduation Rate
93%
87%
Students by Ethnicity:
Diversity Score
0.58
0.69
% American Indian
n/a
n/a
% Asian
7%
6%
% Hispanic
19%
29%
% Black
8%
16%
% White
61%
45%
% Hawaiian
n/a
n/a
% Two or more races
5%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $28,116 is higher than the state median of $22,455. The school district revenue/student has grown by 6% over four school years.
The school district's spending/student of $38,199 is higher than the state median of $21,692. The school district spending/student has grown by 7% over four school years.
Total Revenue
$131 MM
$41,381 MM
Spending
$179 MM
$39,976 MM
Revenue / Student
$28,116
$22,455
Spending / Student
$38,199
$21,692
Best CHSD 99 School District Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Community H S Dist 99 - North High School
(Math: 48% | Reading: 49%)
Rank:
Rank:
9/
Top 20%10
4436 Main St
Downers Grove, IL 60515
(630) 795-8401
Downers Grove, IL 60515
(630) 795-8401
Gr: 9-12 | 2,082 students Student-teacher ratio: 14:1 Minority enrollment: 31%
Rank: #22.
Community H S Dist 99 - South High School
(Math: 43% | Reading: 34%)
Rank:
Rank:
8/
Top 30%10
1436 Norfolk St
Downers Grove, IL 60516
(630) 795-8501
Downers Grove, IL 60516
(630) 795-8501
Gr: 9-12 | 2,591 students Student-teacher ratio: 15:1 Minority enrollment: 46%
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