Crystal Lake South High School vs South Elem School
A head-to-head comparison of two schools in Illinois, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Crystal Lake South High School
Crystal Lake · Public high · Grades 9–12
1,279 students
South Elem School
Crystal Lake · Public elementary · Grades K–5
390 students
| Measure | Crystal Lake South High School Crystal Lake, Illinois | South Elem School Crystal Lake, Illinois |
|---|---|---|
| Success Index (US) | 55 Top 50% | 66 Top 50% |
| State rank | #104 of 691 | #390 of 2,303 |
| National rank | #7089 of 16,910 | #14294 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,279 | 390 |
| Enrollment | 1,279 | 390 |
| Free/reduced-price lunch | 32.1% | 26.7% |
| Students per teacher | 16.6 | 11.1 |
| Reading proficiency | 47% | 52% |
| Math proficiency | 47% | 47% |
| city | Crystal Lake | Crystal Lake |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •South Elem School scores higher on the Success Index (US) (65.8 vs 54.8).
- •South Elem School does better on reading proficiency (52% vs 47%).
- •South Elem School does better on community advantage (fewer free/reduced-price lunch) (26.7% vs 32.1%).
- •South Elem School does better on students per teacher (11.1 vs 16.6).
- •Crystal Lake South High School is the larger school with 1,279 students compared with 390.
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 Crystal Lake South High School better than South Elem School?
On the Success Index (US), South Elem School ranks higher (65.8 vs 54.8 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 Crystal Lake South High School and South Elem School?
About 1.9 km in a straight line, between Crystal Lake and Crystal Lake in Illinois.
Which has the better Enrollment?
Crystal Lake South High School: 1,279. South Elem School: 390. Students enrolled in the latest NCES directory year.
How do Crystal Lake South High School and South Elem School rank in Illinois?
Crystal Lake South High School is 104th of 691 and South Elem School is 390th of 2,303 among high schools in Illinois on the 2025 Success Index (US).