Scores updated for 2026!

Colton Joint Unified

Ruth O. Harris Middle

11150 Alder Avenue, Bloomington, CA 92316-3006

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Summary

Ruth O. Harris Middle is badly underperforming.

Reading and math results average to the 16th percentile among comparable California schools.

Only 29.5% of students met California's reading standard, but it is trending up slightly.Trending up

Math is weaker: 15.1% of students met California's math standard, but it is trending up.Trending up

Proficiency stats

Current Reading Proficiency29.5%
Current Math Proficiency15.1%
Reading State Rank1,008/1,204 (16th percentile)
Math State Rank1,027/1,204 (15th percentile)

School information

Student / Teacher Ratio20:1
Student enrollment (2024–25)562
Low-Income Students483 (85.9%)
English Learners99 (17.6%)
Admissions
AdmissionsOpen enrollment
Charter schoolNo
Magnet schoolNo

Reading Proficiency Scores

2026 state test results

Race and Ethnicity

Black or African American and Hispanic or Latino students have the strongest results.

Distribution of Scores by Grade

The share meeting the reading standard ranges from 27.3% to 31.6% across the grades shown. Overall, the school’s reading results rank No. 1,008 of 1,204 among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

Low-income students are 8.7 points ahead in reading. It narrowed over the period shown.

Low-Income
Non-Low-Income
Low-Income +5.6 percentage pointsTrend up•
Non-Low-Income -18.2 percentage pointsTrend down

English Learners vs English Native

3.0% of English learners meet the reading standard, compared with 32.1% of English-only students. The gap widened as English-learner results rose and English-only results rose.

English Learners
English Native
English Learners +1.5 percentage pointsTrend up•
English Native +3.3 percentage pointsTrend up

Math Proficiency Scores

2026 state test results

Race and Ethnicity

Black or African American students have the strongest math results at about 19% proficiency. The other reported groups range from about 14% to 18%.

Distribution of Scores by Grade

The share meeting the math standard ranges from 12.3% to 17.9% across the grades shown. Overall, the school’s math results rank No. 1,027 of 1,204 among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

Low-income students are 0.1 points ahead in math. It narrowed over the period shown.

Low-Income
Non-Low-Income
Low-Income +6.2 percentage pointsTrend up•
Non-Low-Income -0.5 percentage pointsTrend down

English Learners vs English Native

English-learner math proficiency held steady at 0.0%, while English-only results rose. The gap widened.

English Learners
English Native
English Learners 0.0 percentage points•
English Native +8.2 percentage pointsTrend up

Progress as students move up

2023–2026
How we compare income gaps

“Typical” means the median gap across 301 schools for reading and 302 for math. The comparison uses 2026 California 7–8 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 Ruth O. Harris Middle compare within the district?

Ruth O. Harris Middle is No. 2 in reading and No. 4 in math proficiency among the 4 7–8 schools in Colton Joint Unified with 2026 results.

Explore the district’s schools

How does Ruth O. Harris Middle rank in California?

Ruth O. Harris Middle ranks No. 1,008 of 1,204 in reading and No. 1,027 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.

How do low-income students at Ruth O. Harris Middle compare within the district?

Low-income students here rank No. 1 in reading and No. 4 in math among 4 7–8 district schools with reportable 2026 results for this group. 29.8% meet the reading standard and 15.1% meet the math standard.

See results by student group

How does Ruth O. Harris Middle compare with other schools in Bloomington?

Ruth O. Harris Middle is No. 1 in reading and No. 2 in math proficiency among the 2 7–8 schools in Bloomington with 2026 results.

Explore schools in Bloomington

How does Ruth O. Harris Middle compare with other schools in San Bernardino County?

Ruth O. Harris Middle is No. 22 in reading and No. 21 in math proficiency among the 28 7–8 schools in San Bernardino County with 2026 results.

Explore schools in San Bernardino County

Which schools should I compare?

Schools serving 7–8 in the same district.

2026 proficiency
SchoolMathReading
Ruth O. Harris MiddleThis school15.1%29.5%
Joe Baca18.2%26.1%
Colton Middle15.5%24.1%
Compare all these schools