C
Ruth O. Harris Middle
PublicMiddleGrades 7–8
11150 Alder Ave., Bloomington, CA 92316 · (909) 580-5020 · Part of Colton Joint Unified School District
Students
562
Students per teacher
20:1
Free or reduced lunch
86%
Setting
Suburb
Grades
7–8
What stands out about Ruth O. Harris Middle
- Math proficiency 23 pts below the state
- Reading / language arts 17 pts below the state
- Larger classes: 20:1 students per teacher
- Enrollment down 16.1% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency11%
State average 33.6%
Reading / language arts32%
State average 48.6%
Location
Directions ↗
11150 Alder Ave., Bloomington
Students
Enrollment by grade
Grade 7268
Grade 8294
Enrollment over time
670’20
650’21
568’22
595’23
562’24
Down 16.1% since 2020.
Who goes here
Hispanic 89%Black 5%White 2%Asian 2%American Indian/Alaska Native <1%Two or more races <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Ruth O. Harris Middle.
Other schools in Colton Joint Unified School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.