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Email BoardCooley Ranch Elementary
1000 South Cooley Drive, Colton, CA 92324-4503
Summary
Cooley Ranch Elementary is badly underperforming.
Reading and math results average to the 16th percentile among comparable California schools.
Only 31.1% of students met California's reading standard, but it is trending up.
Math is weaker: 15.9% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 31.1% |
| Current Math Proficiency | 15.9% |
| Reading State Rank | 3,511/4,657 (25th percentile) |
| Math State Rank | 4,282/4,657 (8th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 530 |
| Low-Income Students | 432 (81.5%) |
| English Learners | 67 (12.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 6.1 points from last year and rose 6.0 points over the full period. Math fell 1.5 points from last year and fell 4.9 points over the full period.
•Math -4.9 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 20.6% to 41.7% across the grades shown. Overall, the school’s reading results rank No. 3,511 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.9-point reading income gap is slightly wider than the 17.6-point gap at a typical California K–6 school. It widened slightly over the period shown.
•English Learners vs English Native
8.6% of English learners meet the reading standard, compared with 32.1% 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
Hispanic or Latino students have the strongest math results at about 16% proficiency. The other reported groups range from about 0% to 10%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 7.6% to 21.7% across the grades shown. Overall, the school’s math results rank No. 4,282 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 3.0-point math income gap is narrower than the 17.5-point gap at a typical California K–6 school. It narrowed over the period shown.
•English Learners vs English Native
11.8% of English learners meet the math standard, compared with 15.8% of English-only students. The gap narrowed as English-learner results rose 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 Cooley Ranch Elementary compare within the district?
Cooley Ranch Elementary is No. 11 in reading and No. 16 in math proficiency among the 18 K–6 schools in Colton Joint Unified with 2026 results.
Explore the district’s schoolsHow does Cooley Ranch Elementary rank in California?
Cooley Ranch Elementary ranks No. 3,511 of 4,657 in reading and No. 4,282 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 Cooley Ranch Elementary compare within the district?
Low-income students here rank No. 11 in reading and No. 16 in math among 18 K–6 district schools with reportable 2026 results for this group. 30.1% meet the reading standard and 15.8% meet the math standard.
See results by student groupHow does Cooley Ranch Elementary compare with other schools in Colton?
Cooley Ranch Elementary is No. 3 in reading and No. 6 in math proficiency among the 8 K–6 schools in Colton with 2026 results.
Explore schools in ColtonHow does Cooley Ranch Elementary compare with other schools in San Bernardino County?
Cooley Ranch Elementary is No. 134 in reading and No. 162 in math proficiency among the 187 K–6 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Cooley Ranch ElementaryThis school | 15.9% | 31.1% |
| Abraham Lincoln Elementary | 15.5% | 23.6% |
| Alice Birney Elementary | 12.9% | 22.2% |
