Altimira Middle
17805 Arnold Drive, Sonoma, CA 95476-4019
Summary
Altimira Middle is badly underperforming.
Reading and math results average to the 16th percentile among comparable California schools.
Only 26.4% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 17.6% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 26.4% |
| Current Math Proficiency | 17.6% |
| Reading State Rank | 1,078/1,204 (10th percentile) |
| Math State Rank | 953/1,204 (21st percentile) |
School information
| Student / Teacher Ratio | 16:1 |
| Student enrollment (2024–25) | 324 |
| Low-Income Students | 137 (42.3%) |
| English Learners | 79 (24.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 3.0 points from last year and fell 2.0 points over the full period. Math rose 4.0 points from last year and rose 9.5 points over the full period.
•Math +9.5 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 26.2% to 26.7% across the grades shown. Overall, the school’s reading results rank No. 1,078 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 28.8-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
1.0% of English learners meet the reading standard, compared with 41.4% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 37% proficiency. The other reported groups range from about 9% to 9%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 11.7% to 22.6% across the grades shown. Overall, the school’s math results rank No. 953 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 23.3-point math income gap is slightly 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
0.0% of English learners meet the math standard, compared with 30.6% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•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 Altimira Middle rank in California?
Altimira Middle ranks No. 1,078 of 1,204 in reading and No. 953 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Altimira Middle compare with other schools in Sonoma County?
Altimira Middle is No. 7 in reading and No. 6 in math proficiency among the 7 6–8 schools in Sonoma County with 2026 results.
Explore schools in Sonoma County