School Overview
Glenbrook North High School (GBN), located in Northbrook, Illinois, is a highly regarded public secondary school serving students in grades 9–12. As part of Northfield Township High School District 225, the school is consistently recognized for its academic rigor, comprehensive curriculum, and commitment to preparing students for higher education. GBN offers a wide array of Advanced Placement (AP) courses, robust fine arts programs, and extensive extracurricular opportunities, fostering an environment that emphasizes both intellectual growth and well-rounded student development.

Beyond academics, Glenbrook North is well-known for its strong sense of community and school spirit, supported by a competitive athletic department and numerous student-led clubs. The school’s facilities are designed to support a 21st-century learning environment, providing students with the resources necessary for collaborative projects and specialized technical training. With a long-standing reputation for excellence, the school maintains a strong partnership with the Northbrook community, consistently ranking as one of the top-performing high schools in the state of Illinois.
2,111
Total Students
161.3
Full-Time Teachers
13.1
Student/Teacher Ratio
N/A
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Glenbrook North High School
Demographic Student Count
White1,396
Hispanic110
Black19
Asian475
Two or More104
American Indian1
Pacific Islander6
  • White
    1,396 (66.1%)
  • Asian
    475 (22.5%)
  • Hispanic
    110 (5.2%)
  • Two or More
    104 (4.9%)
  • Black
    19 (0.9%)
  • Pacific Islander
    6 (0.3%)
  • American Indian
    1 (0.0%)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: Glenbrook HSD 225
Phone: (847)272-6400
Website: http://www.glenbrook225.org/north
Grade Range: 9th - 12th
Total Students: 2,111
Full-Time Teachers (FTE): 161.3
Pupil/Teacher Ratio: 13.1
NSLP Participation:1 No
Qualified Free Lunch: N/A
Qualified Reduced Lunch: N/A
Grades Taught
Grade 9 511
Grade 10 491
Grade 11 534
Grade 12 575

Grades Taught Data Table

Grades Taught and Student Counts for Glenbrook North High School
Grade Student Count
Grade 9511
Grade 10491
Grade 11534
Grade 12575
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Glenbrook North High School
Gender Student Count Percentage
Female1,03849.2%
Male1,07350.8%
Nearby High Schools (Within 10 Miles)