Grizzly ChalleNGe Charter vs San Luis Obispo High
A head-to-head comparison of two high schools in California, United States, 8.6 km apart, using official American 2025 data. The better value in each row is highlighted.
Grizzly ChalleNGe Charter
San Luis Obispo · Charter high · Grades 10–12
241 students
San Luis Obispo High
San Luis Obispo · Public high · Grades 9–12
1,678 students
| Measure | Grizzly ChalleNGe Charter San Luis Obispo, California | San Luis Obispo High San Luis Obispo, California |
|---|---|---|
| Success Index (US) | 12 Lower 50% | 67 Top 25% |
| State rank | #1295 of 1,343 | #146 of 1,343 |
| National rank | #16465 of 16,910 | #4074 of 16,910 |
| Sector | Charter | Public |
| Type | High | High |
| Year range | Grades 10–12 | Grades 9–12 |
| Students | 241 | 1,678 |
| Enrollment | 241 | 1,678 |
| Free/reduced-price lunch | 84.6% | 39% |
| Students per teacher | 17.2 | 21.8 |
| Reading proficiency | 17% | 81% |
| Math proficiency | 2.5% | 59% |
| city | San Luis Obispo | San Luis Obispo |
| state | California | California |
| Website | – | – |
The verdict
- •San Luis Obispo High scores higher on the Success Index (US) (67.0 vs 11.7).
- •San Luis Obispo High does better on math proficiency (59% vs 2.5%).
- •San Luis Obispo High does better on reading proficiency (81% vs 17%).
- •San Luis Obispo High does better on community advantage (fewer free/reduced-price lunch) (39% vs 84.6%).
- •Grizzly ChalleNGe Charter does better on students per teacher (17.2 vs 21.8).
- •San Luis Obispo High is the larger school with 1,678 students compared with 241.
- •Grizzly ChalleNGe Charter is a charter school while San Luis Obispo High is a public school, so fees and admission rules differ.
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 Grizzly ChalleNGe Charter better than San Luis Obispo High?
On the Success Index (US), San Luis Obispo High ranks higher (67.0 vs 11.7 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 Grizzly ChalleNGe Charter and San Luis Obispo High?
About 8.6 km in a straight line, between San Luis Obispo and San Luis Obispo in California.
Which has the better Enrollment?
Grizzly ChalleNGe Charter: 241. San Luis Obispo High: 1,678. Students enrolled in the latest NCES directory year.
How do Grizzly ChalleNGe Charter and San Luis Obispo High rank in California?
Grizzly ChalleNGe Charter is 1295th of 1,343 and San Luis Obispo High is 146th of 1,343 among high schools in California on the 2025 Success Index (US).