The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·CHSD 99·NCES 171257001519

Comm H S Dist 99 - South High School

1436 Norfolk St, Downers Grove, IL 60516 · (630) 795-8501 · DuPage County
GRADES 09–12HIGH13-CITYREGULAR SCHOOL2,591 STUDENTS
A
allk12 Grade
Scored higher than 89% of Illinois public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools

Enrollment
2,591
High
DISTRICT 2,337 · STATE 834
Student : Teacher
14.7:1
176 FTE teachers
DISTRICT 14.2:1 · STATE 13.8:1
Free / Reduced Lunch
,
Title I proxy
STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 965525%
Grade 1064525%
Grade 1164225%
Grade 1264925%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 58% · STATE 69% · US 70%
White
1,40154%
DISTRICT 61% · STATE 45% · US 43%
Hispanic
59423%
DISTRICT 19% · STATE 29% · US 30%
Black
29011%
DISTRICT 8% · STATE 16% · US 15%
Asian
1867%
DISTRICT 7% · STATE 6% · US 6%
Two+
1094%
DISTRICT 4% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
70%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,34152%
Female
1,24848%

Discussions

+ POST

Where Comm H S Dist 99 - South High School ranks

Among high schools
MeasureThis schoolIn IllinoisIn DuPage County
Enrollment
ranked largest first
2,591#36 of 708#3 of 24
Students per teacher
ranked fewest first
14.7:1#292 of 528#12 of 23
Diversity index
ranked most diverse first
63.5%#74 of 537#9 of 23
Enrollment change since 2017-18
ranked steepest decline first
-3.9%#279 of 358#17 of 20
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
2,591
-205 (-7%) vs 2020
-10% since 1990-91, when it was 2,871
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,591176.314.7:1N/A
2023-242,604179.414.5:1N/A
2022-232,637179.614.7:1N/A
2020-212,796N/AN/AN/A
2017-182,696183.114.7:128% (753)
2015-162,70218714.4:121% (577)
2010-113,11217617.7:122% (682)
2000-013,13218816.7:1N/A
1990-912,87116517.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Comm H S Dist 99 - South High School.

Since 2017-18: students down 4% (2,696 to 2,591); teachers down 4% (183.1 to 176.3).

About Comm H S Dist 99 - South High School

Comm H S Dist 99 - South High School is a high-enrollment high school in Illinois, located in Downers Grove. The school enrolls 2,591 students, from grades 9 through 12. Average enrollment for high schools in Illinois is about 834, so this school runs 211% above that.

Comm H S Dist 99 - South High School is part of a district of 2 schools: CHSD 99, with 4,673 students.

Roughly 54% of students at Comm H S Dist 99 - South High School are White. The rest of enrollment is 23% Hispanic, 11% Black, 7% Asian, and 4% multiracial. Among all residents of DuPage County, the White share is about 65%. The school's diversity index is 64%, meaning two students picked at random have a 64% chance of belonging to different racial or ethnic groups.

Federal data list 176.3 full-time-equivalent teachers at Comm H S Dist 99 - South High School in 2024-25, for a ratio of 14.7:1. That is 0.9 students per teacher above the 13.8:1 average for high schools in Illinois.

allk12 grades Comm H S Dist 99 - South High School an A. The grade compares the school only with Illinois public high schools, because each state gives its own test.

DuPage County has about 930,024 residents, and the median household income is $112,096, the share of adults with a bachelor's degree or higher is 52%, and about 5% of people live in poverty. Besides Comm H S Dist 99 - South High School, DuPage County has 276 other public schools.

The nearest other public school, Kingsley Elementary School, is about 0.3 miles away. There are at least 8 more public schools inside five miles.

The school's locale code, City: Small, means it is inside a principal city with a population under 100,000.

Over 4 years, Comm H S Dist 99 - South High School's enrollment declined 7%, to 2,591.

The allk12 site hosts a discussion page for Comm H S Dist 99 - South High School covering things like sports tryouts, band and choir, and theater. Reviews and ratings from people who know the school are welcome.

DuPage County at a glance

View full county profile
Population
930,024
Census ACS
Median income
$112,096
Household, ACS
Bachelor's+
52%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
277
138,557 students

Quick facts

School name
Comm H S Dist 99 - South High School
District
CHSD 99
Address
1436 Norfolk St, Downers Grove, IL 60516
Phone
(630) 795-8501
County
DuPage County
Level
High
Grade range
09–12
Total enrollment
2,591
Teachers (FTE)
176
Student–teacher ratio
14.7:1
Locale
13-City: Small
NCES ID
171257001519
Charter school
No
Virtual school
No

Related schools

Other schools in CHSD 99
Other schools in Downers Grove
Nearby schools

Frequently asked questions

About Comm H S Dist 99 - South High School
How large is Comm H S Dist 99 - South High School?
Comm H S Dist 99 - South High School enrolls approximately 2,591 students in grades 09-12.
Is Comm H S Dist 99 - South High School an elementary, middle, or high school?
Comm H S Dist 99 - South High School is a high school covering grades 09-12.
What is the student-teacher ratio at Comm H S Dist 99 - South High School?
The student-to-teacher ratio at Comm H S Dist 99 - South High School is approximately 14.7:1 (176 FTE teachers).
What is the racial breakdown of students at Comm H S Dist 99 - South High School?
At Comm H S Dist 99 - South High School, the student body is approximately 54% White, 23% Hispanic, 11% Black, 7% Asian, 4% Two or more.
Is Comm H S Dist 99 - South High School public or private?
Comm H S Dist 99 - South High School is a public K-12 school, overseen by CHSD 99.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post