Grizzly ChalleNGe Charter
721 Mendocino Avenue, Camp San Luis Obispo, San Luis Obispo, CA 93405-7605
Summary
Grizzly ChalleNGe Charter is badly underperforming.
Reading and math results average to the 12th percentile among comparable California schools.
Only 13.2% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 1.9% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 13.2% |
| Current Math Proficiency | 1.9% |
| Reading State Rank | 1,378/1,596 (14th percentile) |
| Math State Rank | 1,416/1,596 (11th percentile) |
School information
| Student / Teacher Ratio | 15:1 |
| Student enrollment (2024–25) | 241 |
| Low-Income Students | 204 (84.6%) |
| English Learners | 48 (19.9%) |
Quick links
School Website
Great Schools
Niche
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 1.8 points from last year and fell 2.1 points over the full period. Math rose 0.6 points from last year and rose 1.9 points over the full period.
•Math +1.9 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
13.2% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank No. 1,378 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current reading gap cannot be calculated.
•English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
1.9% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank No. 1,416 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current math gap cannot be calculated.
•English Learners vs English Native
0.0% of English learners meet the math standard, compared with 0.0% of English-only students. The gap held steady as English-learner results held steady and English-only results held steady.
How we compare income gaps
“Typical” means the median gap across 12 schools for reading and 12 for math. The comparison uses 2026 California 10–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Grizzly ChalleNGe Charter rank in California?
Grizzly ChalleNGe Charter ranks No. 1,378 of 1,596 in reading and No. 1,416 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Grizzly ChalleNGe Charter compare with other schools in San Luis Obispo?
Grizzly ChalleNGe Charter is No. 2 in reading and No. 1 in math proficiency among the 2 10–12 schools in San Luis Obispo with 2026 results.
Explore schools in San Luis ObispoWhich schools should I compare?
Schools serving 10–12 in the same district or city.
| School | Math | Reading |
|---|---|---|
| Grizzly ChalleNGe CharterThis school | 1.9% | 13.2% |
| Pacific Beach High | 0.0% | 17.9% |
