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Email BoardLos Osos Middle
1555 El Moro Street, Los Osos, CA 93402-1910
Summary
Reading and math results average to the 80th percentile among comparable California schools.
66.7% of students met California's reading standard, and it is slowly trending up.
Math is weaker: 48.7% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 66.7% |
| Current Math Proficiency | 48.7% |
| Reading State Rank | 213/1,204 (82nd percentile) |
| Math State Rank | 279/1,204 (77th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 494 |
| Low-Income Students | 255 (51.6%) |
| English Learners | 17 (3.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 0.7 points from last year and rose 3.9 points over the full period. Math fell 3.8 points from last year and rose 2.4 points over the full period.
•Math +2.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 58.0% to 77.5% across the grades shown. Overall, the school’s reading results rank in the top 18% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.9-point reading income gap is wider than the 19.5-point gap at a typical California 6–8 school. It widened over the period shown.
•English Learners vs English Native
5.0% of English learners meet the reading standard, compared with 71.0% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 56% proficiency. The other reported groups range from about 31% to 50%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 44.3% to 54.4% across the grades shown. Overall, the school’s math results rank in the top 24% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 33.9-point math income gap is wider than the 19.2-point gap at a typical California 6–8 school. It widened over the period shown.
•English Learners vs English Native
English-learner math proficiency held steady at 0.0%, while English-only results rose. The gap widened.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 795 schools for reading and 796 for math. The comparison uses 2026 California 6–8 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 Los Osos Middle rank in California?
Los Osos Middle ranks No. 213 of 1,204 in reading and No. 279 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Los Osos Middle compare with other schools in San Luis Obispo County?
Los Osos Middle is No. 1 in both reading and math proficiency among the 5 6–8 schools in San Luis Obispo County with 2026 results.
Explore schools in San Luis Obispo County