Average
#1447 of 3,813 schools in IL
Top 38% in state
Comm H S Dist 99 - South High Sch
High School · Chsd 99 · Downers Grove, IL
A Chsd 99 high school where students score 12 points below what's typical for similar communities.
1436 Norfolk St, Downers Grove, IL 60516
- Math 41% proficient (2021)
- Reading 34% proficient (2022)
- 5/5 advanced STEM subjects
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Students at Comm H S Dist 99 - South High Sch score 38% proficient, which is below what's typical for similar communities (expected: 49%).
2022 EdFacts proficiency
Most recent published year. School vs. IL average.
Trend
↓ DecliningProficiency has fallen 12 points since 2019, to 34% in 2022, across a 14-year record (2009–2022).
Show all 14 years
Multi-year averages used by the rating model: math 54% (multi-year average, 2009-2021) · reading/ELA 50% (multi-year average, 2009-2022)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from IL state assessments and EdFacts (NCES).
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Comm H S Dist 99 - South High Sch sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Chicago map →
Getting around & local context
- Walk 29Car-Dependent
- Transit 21Minimal Transit
- Bike 44Somewhat Bikeable
- City Safety: Elevated1,001/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Downers Grove), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$118,780
Median home value
$423,000
Median rent
$1,636/mo
College educated
53.9%
Homeownership
77.6%
Poverty rate
4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 60516; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Abraxas Naperville BridgePrivate · tuition | 6.1private | 9–12 | 1.1 mi | 30 | Compare → |
| Marquette Manor Baptist AcademyPrivate · tuition | 6.7private | PK–12 | 2.0 mi | 138 | Compare → |
| Comm H S Dist 99 - North H SEnrollment path unverified | 8.8 | 9–12 | 2.4 mi | 2,104 | Compare → |
| Chesterton Academy of the Holy FamilyPrivate · tuition | 6.3private | 9–12 | 2.8 mi | 138 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Chsd 99
- Schools in district
- 2
- Rank in district
- #2 of 2
- District spending per student
- $26,343NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 3.9%Census SAIPE · 2024
Comm H S Dist 99 - South High Sch is listed in CHSD 99; a district label does not verify attendance for an address.
About Comm H S Dist 99 - South High Sch
Comm H S Dist 99 - South High Sch is a public high school in Downers Grove, IL, part of Chsd 99, serving approximately 2,604 students in grades 9th-12th with a 14.5:1 student-teacher ratio. It holds a MySchoolScout rating of 6.7 out of 10 and ranks #1,447 of 3,813 schools in IL. State assessment records show 54% math proficiency (multi-year average, 2009-2021) and 50% reading/ELA proficiency (multi-year average, 2009-2022).
Frequently asked questions
Common questions about Comm H S Dist 99 - South High Sch
What grades does Comm H S Dist 99 - South High Sch serve?
Comm H S Dist 99 - South High Sch serves students in grades 9th through 12th.
How many students attend Comm H S Dist 99 - South High Sch?
Comm H S Dist 99 - South High Sch has an enrollment of approximately 2,604 students.
What is the student-teacher ratio at Comm H S Dist 99 - South High Sch?
The student-teacher ratio at Comm H S Dist 99 - South High Sch is 14.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Comm H S Dist 99 - South High Sch rank in IL?
Comm H S Dist 99 - South High Sch ranks #1,447 of 3,813 schools in IL.
What is Comm H S Dist 99 - South High Sch's MySchoolScout rating?
Comm H S Dist 99 - South High Sch has a current MySchoolScout rating of 6.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Comm H S Dist 99 - South High Sch?
Based on loaded state assessment records, Comm H S Dist 99 - South High Sch has 54% math proficiency (multi-year average, 2009-2021) and 50% reading/ELA proficiency (multi-year average, 2009-2022).
Is Comm H S Dist 99 - South High Sch a charter school?
No, Comm H S Dist 99 - South High Sch is not a charter school. It is a traditional public school operated by the local school district.
Is Comm H S Dist 99 - South High Sch a Title I school?
No, Comm H S Dist 99 - South High Sch is not currently a Title I school.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,604
- Student-Teacher Ratio
- 14.5:1
- Teachers (FTE)
- 179
- Type
- regular
- Setting
- Small City
- County
- DuPage County
- Chronic Absenteeism (SY 2022-23)
- 34.1%
- Phone
- (630) 795-8501
- Area population (ZIP 60516)
- 28,594
- Area average commute
- 29 min
- Area median age
- 42
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 60516; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021, multi-year average, 2009-2022; directory SY 2023–24
Related reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.