Glenbrook North High School vs Greenbriar Elem School
A head-to-head comparison of two schools in Illinois, United States, 2.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Glenbrook North High School
Northbrook · Public high · Grades 9–12
2,111 students
Greenbriar Elem School
Northbrook · Public elementary · Grades K–5
352 students
| Measure | Glenbrook North High School Northbrook, Illinois | Greenbriar Elem School Northbrook, Illinois |
|---|---|---|
| Success Index (US) | 78 Top 10% | 86 Top 5% |
| State rank | #12 of 691 | #37 of 2,303 |
| National rank | #1551 of 16,910 | #1932 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 2,111 | 352 |
| Enrollment | 2,111 | 352 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 13.1 | 9.5 |
| Reading proficiency | 72% | 73% |
| Math proficiency | 74% | 67% |
| city | Northbrook | Northbrook |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •Greenbriar Elem School scores higher on the Success Index (US) (86.2 vs 78.2).
- •Glenbrook North High School does better on math proficiency (74% vs 67%).
- •Greenbriar Elem School does better on reading proficiency (73% vs 72%).
- •Greenbriar Elem School does better on students per teacher (9.5 vs 13.1).
- •Glenbrook North High School is the larger school with 2,111 students compared with 352.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Glenbrook North High School better than Greenbriar Elem School?
On the Success Index (US), Greenbriar Elem School ranks higher (86.2 vs 78.2 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Glenbrook North High School and Greenbriar Elem School?
About 2.1 km in a straight line, between Northbrook and Northbrook in Illinois.
Which has the better Enrollment?
Glenbrook North High School: 2,111. Greenbriar Elem School: 352. Students enrolled in the latest NCES directory year.
How do Glenbrook North High School and Greenbriar Elem School rank in Illinois?
Glenbrook North High School is 12th of 691 and Greenbriar Elem School is 37th of 2,303 among high schools in Illinois on the 2025 Success Index (US).