Glenbrook South High School
🇺🇸 Official data · 2025Glenview, Illinois 60026 · Glenbrook HSD 225
#19 of 691 high schools in Illinois
#2479 of 16,910 nationally
About Glenbrook South High School
Glenbrook South High School is a public high located in Glenview, in the Glenbrook HSD 225 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,923 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 73.4 out of 100, placing it in the top 25% of high schools in United States and 19th of 691 ranked high schools in Illinois. Its strongest component is math proficiency (83th percentile), and its weakest is students per teacher (67th percentile).
Other published figures: enrollment 2,923.
There are 13 schools in Glenview; Glenbrook South High School ranks 8th of 13 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)68%
- Reading proficiency (30%)65%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)12.9
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 Glenbrook South High School by the official sources.
- Enrollment
- 2,923
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 12.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 65%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 68%
- Share of tested students proficient or above (all students, all grades).
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Schools near Glenbrook South High School
Closest schools by straight-line distance, with their Success Index (US).
Henry Winkelman Elem School
Glenview · Public elementary · Grades PK–5
677 students · 805 m away
Westbrook Elementary School
Glenview · Public elementary · Grades PK–2
467 students · 1.5 km away
Willowbrook Elem School
Glenview · Public elementary · Grades PK–5
330 students · 1.5 km away
Glen Grove Elem School
Glenview · Public elementary · Grades 3–5
398 students · 1.7 km away
Attea Middle School
Glenview · Public middle · Grades 6–8
714 students · 2.5 km away
Henking Elem School
Glenview · Public elementary · Grades PK–2
470 students · 2.7 km away
Maple School
Northbrook · Public middle · Grades 6–8
451 students · 2.8 km away
Apollo Elem School
Des Plaines · Public elementary · Grades K–5
536 students · 2.8 km away
Glenbrook North High School
Northbrook · Public high · Grades 9–12
2,111 students · 2.9 km away
Field School
Northbrook · Public middle · Grades 6–8
333 students · 3.0 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Minooka Community High School
Channahon · Public high · Grades 9–12
2,918 students
Oswego High School
Oswego · Public high · Grades 9–12
2,870 students
Waubonsie Valley High School
Aurora · Public high · Grades 9–12
2,849 students
Carl Sandburg High School
Orland Park · Public high · Grades 9–12
2,840 students
Neuqua Valley High School
Naperville · Public high · Grades 9–12
3,018 students
Huntley High School
Huntley · Public high · Grades 9–12
2,804 students
Frequently asked questions
Is Glenbrook South High School a good school?
Glenbrook South High School has a Success Index (US) of 73.4 out of 100 (Top 25% of high schools in United States) and ranks #19 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 Glenbrook South High School rank in Illinois?
Glenbrook South High School ranks #19 of 691 high schools in Illinois and #2479 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Glenbrook South High School?
Glenbrook South High School had 2,923 students in 2025.
Is Glenbrook South High School a elementary school or a high school?
Glenbrook South High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Glenbrook South High School?
There are 10 schools within 15 km of Glenbrook South High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.