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 20%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 2 public schools serving 4,708 students in CHSD 99 School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Illinois.
Public Schools in CHSD 99 School District have an average math proficiency score of 46% (versus the Illinois public school average of 26%), and reading proficiency score of 41% (versus the 30% statewide average).
Minority enrollment is 38% of the student body (majority Hispanic), which is less than the Illinois public school average of 56% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
2 Schools
4,399 Schools
# Students
4,708 Students
1,881,773 Students
# Teachers
331 Teachers
136,664 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 844 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2020-2021 school year.
The school district's graduation rate of 94% has increased from 92% over five school years.
Overall District Rank
#127 out of 852 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
(20-21)46%
28%
Reading/Language Arts Test Scores (% Proficient)
41%
30%
Science Test Scores (% Proficient)
63%
50%
Graduation Rate
94%
87%
Students by Ethnicity:
Diversity Score
0.58
0.70
% American Indian
n/a
1%
% Asian
7%
6%
% Hispanic
19%
28%
% Black
8%
16%
% White
62%
45%
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $27,907 is higher than the state median of $21,990. The school district revenue/student has grown by 6% over four school years.
The school district's spending/student of $37,915 is higher than the state median of $21,244. The school district spending/student has grown by 6% over four school years.
Total Revenue
$131 MM
$41,381 MM
Spending
$179 MM
$39,976 MM
Revenue / Student
$27,907
$21,990
Spending / Student
$37,915
$21,244
Best CHSD 99 School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Community H S Dist 99 - North High School
Rank:
10/
Top 10%10
4436 Main St
Downers Grove, IL 60515
(630) 795-8401
Downers Grove, IL 60515
(630) 795-8401
Grades: 9-12
| 2,104 students
Rank: #22.
Community H S Dist 99 - South High School
Rank:
8/
Top 30%10
1436 Norfolk St
Downers Grove, IL 60516
(630) 795-8501
Downers Grove, IL 60516
(630) 795-8501
Grades: 9-12
| 2,604 students
Frequently Asked Questions
How many schools belong to CHSD 99 School District?
CHSD 99 School District manages 2 public schools serving 4,708 students.
What is the rank of CHSD 99 School District?
CHSD 99 School District is ranked #127 out of 844 school districts in Illinois (top 20%) based off of combined math and reading proficiency testing data for the 2020-2021 school year. This district ranks in the top 20% of Illinois school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), Highest graduation rate (Top 20%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in CHSD 99 School District?
62% of CHSD 99 School District students are White, 19% of students are Hispanic, 8% of students are Black, 7% of students are Asian, and 4% of students are Two or more races.
What is the student/teacher ratio of CHSD 99 School District?
CHSD 99 School District has a student/teacher ratio of 14:1, which is equal to the Illinois state average of 14:1.
What is CHSD 99 School District's spending/student ratio?
The school district's spending/student of $37,915 is higher than the state median of $21,244. The school district spending/student has grown by 6% over four school years.
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