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Email BoardCobblestone Elementary
5740 Cobblestone Drive, Rocklin, CA 95765-4193
Summary
Reading and math results average to the 81st percentile among comparable California schools.
65.5% of students met California's reading standard, and it is trending up slightly.
62.9% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 65.5% |
| Current Math Proficiency | 62.9% |
| Reading State Rank | 914/4,657 (80th percentile) |
| Math State Rank | 884/4,657 (81st percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 372 |
| Low-Income Students | 116 (31.2%) |
| English Learners | 44 (11.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 0.5 points from last year and rose 1.4 points over the full period. Math fell 4.7 points from last year and fell 0.5 points over the full period.
•Math -0.5 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Two or more races and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 57.4% to 72.0% across the grades shown. Overall, the school’s reading results rank in the top 20% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 28.0-point reading income gap is wider than the 17.6-point gap at a typical California K–6 school. It widened over the period shown.
•English Learners vs English Native
22.2% of English learners meet the reading standard, compared with 66.9% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 75% proficiency. The other reported groups range from about 53% to 70%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 55.3% to 71.9% across the grades shown. Overall, the school’s math results rank in the top 19% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 38.6-point math income gap is wider than the 17.5-point gap at a typical California K–6 school. It widened over the period shown.
•English Learners vs English Native
36.8% of English learners meet the math standard, compared with 64.6% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Cobblestone Elementary compare within the district?
Cobblestone Elementary is No. 7 in both reading and math proficiency among the 13 K–6 schools in Rocklin Unified with 2026 results.
Explore the district’s schoolsHow does Cobblestone Elementary rank in California?
Cobblestone Elementary ranks No. 914 of 4,657 in reading and No. 884 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Cobblestone Elementary compare within the district?
Low-income students here rank No. 9 in reading and No. 12 in math among 13 K–6 district schools with reportable 2026 results for this group. 47.2% meet the reading standard and 37.5% meet the math standard.
See results by student groupHow does Cobblestone Elementary compare with other schools in Rocklin?
Cobblestone Elementary is No. 7 in both reading and math proficiency among the 13 K–6 schools in Rocklin with 2026 results.
Explore schools in RocklinHow does Cobblestone Elementary compare with other schools in Placer County?
Cobblestone Elementary is No. 7 in both reading and math proficiency among the 13 K–6 schools in Placer County with 2026 results.
Explore schools in Placer CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Cobblestone ElementaryThis school | 62.9% | 65.5% |
| Antelope Creek Elementary | 44.0% | 52.1% |
| Breen Elementary | 62.7% | 58.9% |
