Arroyo Elementary

Arroyo Elementary, a mid-tier elementary-level community in Pomona, California, operated by Pomona Unified, teaches 479 students, covering grades K through 6.

Arroyo Elementary is one of 37 schools operated by Pomona Unified, a district that instructs 20,422 students overall.

On demographics, Arroyo Elementary lists that 95% of students identify as Hispanic, making the school strongly Hispanic-majority. The wider county runs roughly 48% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

Looking at the economic backdrop, The school lists 22 full-time-equivalent teachers, for a student-teacher ratio near 21.8:1. The state averages about 22.3:1, putting this campus right in line with peers. About 94% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is above Los Angeles County's rate of about 70%.

On a residual basis (actual vs predicted given the student mix), Arroyo Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 23.5%, the actual is 23.8%, a residual of +0.3 points.

Zooming out to the county, the surrounding county (Los Angeles County) logs that the typical household earns roughly $90,112 per year, about 36% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. In all, Los Angeles County runs 2244 public schools (combined enrollment of about 1,265,907 students), of which Arroyo Elementary is one.

Marshall Middle is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Arroyo Elementary at 7th of 9; the average score across the group is 25.9%.

The school occupies a residential site.

Five-year trend. Over the past 7-year window, the student count declined 16%: 571 students in 2018 compared to 479 in 2025. Class-load math has pulled in: from 24.8:1 in 2018 to 21.8:1 in 2025.

In the discussion threads here, recent activity here tends to focus on classroom updates, athletics, and weather closures. Members of the school community can share what they know.