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Email BoardWilliam McKinley Elementary
600 West Johnston Street, Colton, CA 92324-1322
Summary
William McKinley Elementary is badly underperforming.
Reading and math results average to the 16th percentile among comparable California schools.
Only 28.9% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 19.0% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 28.9% |
| Current Math Proficiency | 19.0% |
| Reading State Rank | 3,752/4,657 (19th percentile) |
| Math State Rank | 4,042/4,657 (13th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 495 |
| Low-Income Students | 440 (88.9%) |
| English Learners | 118 (23.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.7 points from last year and rose 2.9 points over the full period. Math rose 5.0 points from last year and rose 1.5 points over the full period.
•Math +1.5 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
The share meeting the reading standard ranges from 18.6% to 39.7% across the grades shown. Overall, the school’s reading results rank No. 3,752 of 4,657 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
2.1% of English learners meet the reading standard, compared with 31.8% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
The share meeting the math standard ranges from 8.9% to 24.3% across the grades shown. Overall, the school’s math results rank No. 4,042 of 4,657 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 21.1% 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 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 William McKinley Elementary compare within the district?
William McKinley Elementary is No. 15 in reading and No. 13 in math proficiency among the 18 K–6 schools in Colton Joint Unified with 2026 results.
Explore the district’s schoolsHow does William McKinley Elementary rank in California?
William McKinley Elementary ranks No. 3,752 of 4,657 in reading and No. 4,042 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 William McKinley Elementary compare within the district?
Low-income students here rank No. 16 in reading and No. 13 in math among 18 K–6 district schools with reportable 2026 results for this group. 27.9% meet the reading standard and 18.1% meet the math standard.
See results by student groupHow does William McKinley Elementary compare with other schools in Colton?
William McKinley Elementary is No. 5 in reading and No. 4 in math proficiency among the 8 K–6 schools in Colton with 2026 results.
Explore schools in ColtonHow does William McKinley Elementary compare with other schools in San Bernardino County?
William McKinley Elementary is No. 151 in reading and No. 144 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 |
|---|---|---|
| William McKinley ElementaryThis school | 19.0% | 28.9% |
| Abraham Lincoln Elementary | 15.5% | 23.6% |
| Alice Birney Elementary | 12.9% | 22.2% |
