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Email BoardWilmer Amina Carter High
2630 North Linden Avenue, Rialto, CA 92377-8446
Summary
Reading and math results average to the 61st percentile among comparable California schools.
61.2% of students met California's reading standard, and it is holding steady.
Math is weaker: 24.0% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 61.2% |
| Current Math Proficiency | 24.0% |
| Reading State Rank | 543/1,596 (66th percentile) |
| Math State Rank | 702/1,596 (56th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 1,951 |
| Low-Income Students | 1,530 (78.4%) |
| English Learners | 222 (11.4%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 7.8 points from last year and fell 0.1 points over the full period. Math fell 2.8 points from last year and rose 0.5 points over the full period.
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
61.2% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 35% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.4-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
English Learners vs English Native
5.4% of English learners meet the reading standard, compared with 62.2% 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
White students have the strongest math results at about 50% proficiency. The other reported groups range from about 17% to 23%.
Distribution of Scores by Grade
24.0% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 44% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 20.2-point math income gap is wider than the 14.2-point gap at a typical California 9–12 school. It widened slightly over the period shown.
English Learners vs English Native
English-learner math proficiency held steady at 0.0%, while English-only results edged up. The gap widened slightly.
How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 Wilmer Amina Carter High compare within the district?
Wilmer Amina Carter High is No. 3 in reading and No. 2 in math proficiency among the 3 9–12 schools in Rialto Unified with 2026 results.
Explore the district’s schoolsHow does Wilmer Amina Carter High rank in California?
Wilmer Amina Carter High ranks No. 543 of 1,596 in reading and No. 702 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Wilmer Amina Carter High compare within the district?
Low-income students here rank No. 3 in reading and No. 2 in math among 3 9–12 district schools with reportable 2026 results for this group. 57.3% meet the reading standard and 19.2% meet the math standard.
See results by student groupHow does Wilmer Amina Carter High compare with other schools in Rialto?
Wilmer Amina Carter High is No. 3 in reading and No. 2 in math proficiency among the 3 9–12 schools in Rialto with 2026 results.
Explore schools in RialtoHow does Wilmer Amina Carter High compare with other schools in San Bernardino County?
Wilmer Amina Carter High is No. 25 in reading and No. 29 in math proficiency among the 56 9–12 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Wilmer Amina Carter HighThis school | 24.0% | 61.2% |
| Eisenhower High | 14.8% | 61.5% |
| Rialto High | 25.3% | 63.1% |
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