Glenbrook South High School, or GBS, is a public four-year high school located in Glenview, Illinois, a north suburb of Chicago, in the United States. It is part of Northfield Township High School District, which also includes Glenbrook North High School.
Glenbrook Evening High School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is <50% (which is higher than the Illinois state average of 33%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the Illinois state average of 38%).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 9-12
- Graduation Rate: 60-79%
- Math Proficiency: <50%
- Reading Proficiency: <50%
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
School Type
Grades Offered
Grades 9-12
Total Students (19-20)
29 students
Total Classroom Teachers (14-15)
5 teachers
Year Founded
1962
Colors
Navy Blue, Gold
School Calendar
Campus Size
65 acres
School Rankings
Math Test Scores (% Proficient)
(18-19)<50%
33%
Reading/Language Arts Test Scores (% Proficient)
(18-19)<50%
38%
Student-Teacher Ratio
n/a
13:1
American Indian
(19-20)n/a
n/a
Asian
(19-20)4%
5%
Hispanic
(19-20)31%
26%
Black
(19-20)3%
17%
White
(19-20)55%
48%
Hawaiian
(19-20)n/a
n/a
Two or more races
(19-20)7%
4%
Graduation Rate
(17-18)60-79%
87%
Eligible for Free Lunch (19-20)
52%
47%
Eligible for Reduced Lunch (11-12)
23%
27%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Titans
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 33% IL state average), while <50% of students have achieved reading proficiency (compared to the 38% IL state average).
What is the graduation rate of Glenbrook Evening High School?
The graduation rate of Glenbrook Evening High School is 60-79%, which is lower than the Illinois state average of 87%.
How many students attend Glenbrook Evening High School?
29 students attend Glenbrook Evening High School.
What is the racial composition of the student body?
55% of Glenbrook Evening High School students are White, 31% of students are Hispanic, 7% of students are Two or more races, 4% of students are Asian, and 3% of students are Black.
What grades does Glenbrook Evening High School offer ?
Glenbrook Evening High School offers enrollment in grades 9-12
What school district is Glenbrook Evening High School part of?
Glenbrook Evening High School is part of Glenbrook HSD 225 School District.
School Reviews
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