Comm H S Dist 99 - South High Sch (CHSD 99 SCH DIST.), Illinois - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Comm H S Dist 99 - South High Sch is a High in Downers Grove, IL. It currently serves 2604 students (grades 09-12). The school is part of the CHSD 99 School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in CHSD 99 School District and all schools in Illinois.

Other Details

School Type: Regular School

School Level: High

Number of Students:2604

Number of Teachers: 179

Student/Teacher Ratio: 14.51

Location Info

Location: 1436 Norfolk St, Downers Grove, IL 60516

Mailing Address: 1436 Norfolk St, Downers Grove, IL 60516-2632

Phone: (630)795-8501

Website: http://www.csd99.org

Data Source: NCES.

Student Population Per Grade

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Grade	Population
Grade 10	655
Grade 11	620
Grade 12	695
Grade 9	634

Gender/Sex of Comm H S Dist 99 - South High Sch Student Population

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Gender	Population	Percent of Population (%)
Male	1334	51.23
Female	1268	48.69

Race/Ethnicity Demography of Comm H S Dist 99 - South High Sch Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	1	0.04
Asian	188	7.22
Black or African American	298	11.44
Hispanic/Latino	575	22.08
Native Hawaiian or Other Pacific Islander	10	0.38
Two or more races	92	3.53
White	1438	55.22

Male - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	1	0.08
Asian	95	7.12
Black or African American	152	11.39
Hispanic/Latino	301	22.56
Native Hawaiian or Other Pacific Islander	5	0.38
Two or more races	47	3.52
White	733	54.95

Female - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
Asian	93	7.33
Black or African American	146	11.51
Hispanic/Latino	274	21.61
Native Hawaiian or Other Pacific Islander	5	0.39
Two or more races	45	3.55
White	705	55.60

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.

Grade 10 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	47	7.18
Black or African American	84	12.82
Hispanic/Latino	130	19.85
Native Hawaiian or Other Pacific Islander	1	0.15
Two or more races	26	3.97
White	366	55.88

Grade 11 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	43	6.94
Black or African American	66	10.65
Hispanic/Latino	157	25.32
Native Hawaiian or Other Pacific Islander	4	0.65
Two or more races	27	4.36
White	323	52.10

Grade 12 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	50	7.19
Black or African American	69	9.93
Hispanic/Latino	140	20.14
Native Hawaiian or Other Pacific Islander	2	0.29
Two or more races	17	2.45
White	417	60.00

Grade 9 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	1	0.16
Asian	48	7.57
Black or African American	79	12.46
Hispanic/Latino	148	23.34
Native Hawaiian or Other Pacific Islander	3	0.47
Two or more races	22	3.47
White	332	52.37