Enrollment
2,111
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 172901003042
Glenbrook North High School — Northbrook, IL
Federal NCES profile for Glenbrook North High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 57/100.
School address
District: Glenbrook Hsd 225 · Illinois
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
150.0
Federal CCD staff survey
Students per teacher
13.7:1
vs 14.6:1 Illinois avg
-6% vs state
Student-teacher ratio in context
How Glenbrook North High School compares with Illinois and U.S. medians
What this school's NCES data tells you
Glenbrook North High School reports 2,111 enrolled students to the National Center for Education Statistics (NCES) alongside 150.0 full-time-equivalent teachers, producing a 13.7:1 student-teacher ratio. That figure sits 6% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 14% lower, a useful calibration for families comparing districts across state lines.
The school offers 22 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 251 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 15.4% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Glenbrook Hsd 225 spends $34,032 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 78.4% from local sources (property taxes), 18.6% from the state, and 3.0% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of C (57/100), calculated from 5 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Glenbrook North High School compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 13.7:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 2,111 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 2,111
Teachers (FTE) 150.0
Students per teacher 13.7:1 -6% vs state
Free-lunch eligible —
NCES ID 172901003042
Student demographics
White 66.1%
Asian 22.5%
Hispanic or Latino 5.2%
Two or More 4.9%
African American 0.9%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 66.1% of enrollment.
Programs & staff
AP courses offered 22
Counselors (FTE) 8.4
Students per counselor 251:1
Discipline & special education
Chronically absent 15.4%
In-school suspensions 20
Out-of-school suspensions 8
Funding & spending
District-wide per-pupil expenditure for Glenbrook Hsd 225, which includes Glenbrook North High School.
$34,032
Per student
+69%
vs Illinois
Avg $20,099
+75%
vs U.S.
Avg $19,490
Revenue mix
Local 78.4%
State 18.6%
Federal 3.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 2,923
- Students per teacher
- 13.6:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Glenbrook North High School
How many students attend Glenbrook North High School?
Glenbrook North High School has 2,111 students enrolled. It is a high school in Northbrook, IL.
What is the student-teacher ratio at Glenbrook North High School?
The student-teacher ratio at Glenbrook North High School is 13.7:1, which is 6% lower than the Illinois average of 14.6:1 and 14% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Glenbrook North High School?
The largest demographic group at Glenbrook North High School is White at 66.1%. The school serves a diverse student body in Northbrook, IL.
What is the quality grade for Glenbrook North High School?
Glenbrook North High School receives a Resource Quality Grade of C (57/100) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This grade reflects available federal resource indicators, not standardized test scores.
Related data sources
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