Comm H S Dist 99 - South High Sch
🇺🇸 Official data · 2025Downers Grove, Illinois 60516 · Chsd 99
#164 of 691 high schools in Illinois
#8759 of 16,910 nationally
About Comm H S Dist 99 - South High Sch
Comm H S Dist 99 - South High Sch is a public high located in Downers Grove, in the Chsd 99 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,591 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 48.5 out of 100, placing it in the lower 50% of high schools in United States and 164th of 691 ranked high schools in Illinois. Its strongest component is math proficiency (62th percentile), and its weakest is reading proficiency (33th percentile).
Other published figures: enrollment 2,591.
There are 17 schools in Downers Grove; Comm H S Dist 99 - South High Sch ranks 12th of 17 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)48%
- Reading proficiency (30%)43%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)14.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Comm H S Dist 99 - South High Sch by the official sources.
- Enrollment
- 2,591
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 14.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 43%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 48%
- Share of tested students proficient or above (all students, all grades).
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Schools near Comm H S Dist 99 - South High Sch
Closest schools by straight-line distance, with their Success Index (US).
Kingsley Elem School
Downers Grove · Public elementary · Grades PK–6
359 students · 409 m away
Indian Trail Elem School
Downers Grove · Public elementary · Grades PK–6
325 students · 826 m away
Hillcrest Elem School
Downers Grove · Public elementary · Grades PK–6
382 students · 1.2 km away
Fairmount Elem School
Downers Grove · Public elementary · Grades PK–6
342 students · 1.8 km away
O Neill Middle School
Downers Grove · Public middle · Grades 7–8
403 students · 1.9 km away
El Sierra Elem School
Downers Grove · Public elementary · Grades PK–6
300 students · 2.0 km away
Meadowview Elem School
Woodridge · Public elementary · Grades K–6
416 students · 2.4 km away
Thomas Jefferson Jr High School
Woodridge · Public middle · Grades 7–8
573 students · 2.6 km away
Willow Creek Elem School
Woodridge · Public elementary · Grades K–6
351 students · 2.9 km away
Whittier Elem School
Downers Grove · Public elementary · Grades PK–6
307 students · 3.0 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
York Comm High School
Elmhurst · Public high · Grades 9–12
2,590 students
Naperville Central High School
Naperville · Public high · Grades 9–12
2,589 students
Belleville High School-East
Belleville · Public high · Grades 9–12
2,600 students
Elgin High School
Elgin · Public high · Grades 9–12
2,576 students
Dundee-Crown High School
Carpentersville · Public high · Grades 9–12
2,573 students
Amos Alonzo Stagg High School
Palos Hills · Public high · Grades 9–12
2,560 students
Frequently asked questions
Is Comm H S Dist 99 - South High Sch a good school?
Comm H S Dist 99 - South High Sch has a Success Index (US) of 48.5 out of 100 (Lower 50% of high schools in United States) and ranks #164 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Comm H S Dist 99 - South High Sch rank in Illinois?
Comm H S Dist 99 - South High Sch ranks #164 of 691 high schools in Illinois and #8759 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Comm H S Dist 99 - South High Sch?
Comm H S Dist 99 - South High Sch had 2,591 students in 2025.
Is Comm H S Dist 99 - South High Sch a elementary school or a high school?
Comm H S Dist 99 - South High Sch is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Comm H S Dist 99 - South High Sch?
There are 10 schools within 15 km of Comm H S Dist 99 - South High Sch; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.