Frederick School vs Grayslake Central High School
A head-to-head comparison of two schools in Illinois, United States, 1.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Frederick School
Grayslake · Public middle · Grades 5–6
667 students
Grayslake Central High School
Grayslake · Public high · Grades 9–12
1,375 students
| Measure | Frederick School Grayslake, Illinois | Grayslake Central High School Grayslake, Illinois |
|---|---|---|
| Success Index (US) | 54 Top 50% | 61 Top 50% |
| State rank | #228 of 670 | #68 of 691 |
| National rank | #6755 of 15,369 | #5674 of 16,910 |
| Sector | Public | Public |
| Type | Middle | High |
| Year range | Grades 5–6 | Grades 9–12 |
| Students | 667 | 1,375 |
| Enrollment | 667 | 1,375 |
| Free/reduced-price lunch | 34.8% | – |
| Students per teacher | 14.5 | 13.0 |
| Reading proficiency | 46% | 57% |
| Math proficiency | 40% | 49% |
| city | Grayslake | Grayslake |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •Grayslake Central High School scores higher on the Success Index (US) (60.5 vs 54.1).
- •Grayslake Central High School does better on math proficiency (49% vs 40%).
- •Grayslake Central High School does better on reading proficiency (57% vs 46%).
- •Grayslake Central High School does better on students per teacher (13.0 vs 14.5).
- •Grayslake Central High School is the larger school with 1,375 students compared with 667.
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 Frederick School better than Grayslake Central High School?
On the Success Index (US), Grayslake Central High School ranks higher (60.5 vs 54.1 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 Frederick School and Grayslake Central High School?
About 1.2 km in a straight line, between Grayslake and Grayslake in Illinois.
Which has the better Enrollment?
Frederick School: 667. Grayslake Central High School: 1,375. Students enrolled in the latest NCES directory year.
How do Frederick School and Grayslake Central High School rank in Illinois?
Frederick School is 228th of 670 and Grayslake Central High School is 68th of 691 among middle schools in Illinois on the 2025 Success Index (US).