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.
2,062
Total Students
150.3
Full-Time Teachers
13.7
Student/Teacher Ratio
N/A
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Glenbrook North High School
Demographic Student Count
White1,410
Hispanic106
Black14
Asian423
Two or More105
American Indian1
Pacific Islander3
  • White
    1,410 (68.4 %)
  • Asian
    423 (20.5 %)
  • Hispanic
    106 (5.1 %)
  • Two or More
    105 (5.1 %)
  • Black
    14 (0.7 %)
  • Pacific Islander
    3 (0.1 %)
  • 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: 2,062
Full-Time Teachers (FTE): 150.3
Pupil/Teacher Ratio: 13.7
NSLP Participation:1 No
Qualified Free Lunch: N/A
Qualified Reduced Lunch: N/A
Grades Taught
Grade 9 534
Grade 10 529
Grade 11 477
Grade 12 522

Grades Taught Data Table

Grades Taught and Student Counts for Glenbrook North High School
Grade Student Count
Grade 9534
Grade 10529
Grade 11477
Grade 12522
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Glenbrook North High School
Gender Student Count Percentage
Female1,00648.8%
Male1,05651.2%
Nearby High Schools (Within 10 Miles)