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 schools serving 4,673 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 45% (versus the Illinois public school average of 27%), and reading proficiency score of 41% (versus the 30% statewide average).
Minority enrollment is 39% of the student body (majority Hispanic), which is less than the Illinois public school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
2 Schools
4,394 Schools
# Students
4,673 Students
1,842,872 Students
# Teachers
328 Teachers
137,935 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 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%
Frequently Asked Questions
How many schools belong to CHSD 99 School District?
CHSD 99 School District manages 2 public schools serving 4,673 students.
What is the rank of CHSD 99 School District?
CHSD 99 School District is ranked #153 out of 861 school districts in Illinois (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 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 10%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in CHSD 99 School District?
61% of CHSD 99 School District students are White, 19% of students are Hispanic, 8% of students are Black, 7% of students are Asian, and 5% 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 $38,199 is higher than the state median of $21,692. The school district spending/student has grown by 7% over four school years.
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
