Glenbrook North High School
🇺🇸 Official data · 2025Northbrook, Illinois 60062 · Glenbrook HSD 225
#12 of 691 high schools in Illinois
#1551 of 16,910 nationally
About Glenbrook North High School
Glenbrook North High School is a public high located in Northbrook, in the Glenbrook HSD 225 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,111 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 78.2 out of 100, placing it in the top 10% of high schools in United States and 12th of 691 ranked high schools in Illinois. Its strongest component is math proficiency (87th percentile), and its weakest is students per teacher (65th percentile).
Other published figures: enrollment 2,111.
There are 11 schools in Northbrook; Glenbrook North High School ranks 11th of 11 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)74%
- Reading proficiency (30%)72%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)13.1
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 North High School by the official sources.
- Enrollment
- 2,111
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 13.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 72%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 74%
- Share of tested students proficient or above (all students, all grades).
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Schools near Glenbrook North High School
Closest schools by straight-line distance, with their Success Index (US).
Maple School
Northbrook · Public middle · Grades 6–8
451 students · 166 m away
Wescott Elementary School
Northbrook · Public elementary · Grades K–5
469 students · 1.2 km away
Willowbrook Elem School
Glenview · Public elementary · Grades PK–5
330 students · 1.4 km away
Northbrook Junior High School
Northbrook · Public middle · Grades 6–8
621 students · 1.9 km away
Meadowbrook Elem School
Northbrook · Public elementary · Grades K–5
497 students · 2.1 km away
Greenbriar Elem School
Northbrook · Public elementary · Grades K–5
352 students · 2.1 km away
Field School
Northbrook · Public middle · Grades 6–8
333 students · 2.3 km away
Westmoor Elem School
Northbrook · Public elementary · Grades PK–5
358 students · 2.5 km away
Attea Middle School
Glenview · Public middle · Grades 6–8
714 students · 2.7 km away
Henry Winkelman Elem School
Glenview · Public elementary · Grades PK–5
677 students · 2.9 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Zion-Benton Twnshp Hi Sch
Zion · Public high · Grades 9–12
2,114 students
Belleville High School-West
Belleville · Public high · Grades 9–12
2,118 students
DeKalb High School
Dekalb · Public high · Grades 9–12
2,134 students
Comm H S Dist 99 - North H S
Downers Grove · Public high · Grades 9–12
2,082 students
Glenbard North High School
Carol Stream · Public high · Grades 9–12
2,079 students
Normal Community High School
Normal · Public high · Grades 9–12
2,079 students
Frequently asked questions
Is Glenbrook North High School a good school?
Glenbrook North High School has a Success Index (US) of 78.2 out of 100 (Top 10% of high schools in United States) and ranks #12 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 North High School rank in Illinois?
Glenbrook North High School ranks #12 of 691 high schools in Illinois and #1551 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Glenbrook North High School?
Glenbrook North High School had 2,111 students in 2025.
Is Glenbrook North High School a elementary school or a high school?
Glenbrook North High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Glenbrook North High School?
There are 10 schools within 15 km of Glenbrook North High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.