Ruth O. Harris Middle

Ruth O. Harris Middle, a middle-of-the-pack middle school in Bloomington, California, part of Colton Joint Unified, serves 562 students, covering grades 7 through 8.

Colton Joint Unified comprises 27 schools with combined enrollment of 18,397 students; Ruth O. Harris Middle is among them.

Demographically, Ruth O. Harris Middle shows that 89% of students identify as Hispanic, making the school strongly Hispanic-majority. Other groups include 5% Black, 2% White, 2% Asian. That is visibly more Hispanic than the county at large, where the share is closer to 55%.

On the income-and-resources front, Staff filings list 28 full-time-equivalent teachers, which works out to roughly 19.8:1 students per teacher. Statewide, the average ratio sits near 20.7:1, putting Ruth O. Harris Middle tighter than the state norm the norm. An estimated 86% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, San Bernardino County runs at roughly 74%, so the school's eligibility rate is somewhat above the surrounding baseline.

On a demographically-adjusted basis, Ruth O. Harris Middle tracks the demographic baseline. The model predicts 28.3% given the school's FRL share; actual proficiency is 18.1%.

Across the wider county, ACS estimates for San Bernardino County put the typical household earns roughly $85,478 per year, about 23% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 11%. Across San Bernardino County's 583 public schools (combined enrollment of about 393,648 students), Ruth O. Harris Middle is one campus in the mix.

Sycamore Hills Elementary is the nearest neighboring public school, about 0.4 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Ruth O. Harris Middle at 6th of 6; the average score across the group is 31.0%.

Geographically, the school is in a bedroom-community area.

Five-year trend. Ruth O. Harris Middle's enrollment has shrank 26% since 2018, when it stood at 757 (now 562). Class-load math has pulled in: from 21.9:1 in 2018 to 19.8:1 in 2025.

On the community side, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.