Rio Hondo Elementary

Rio Hondo Elementary is one of the reasonably sized elementary campuss in Arcadia, California, operated by El Monte City, with 636 students on its rolls from grades K through 8. Compared to the state average of about 465 students per school, that is 37% above typical.

El Monte City runs 15 schools in total, collectively educating 6,913 students. Rio Hondo Elementary is one of those campuses.

On demographics, Rio Hondo Elementary shows that the largest single group is Hispanic, at 78% of enrollment; the rest looks like 18% Asian. By comparison, Los Angeles County as a whole is about 48% Hispanic, so the school skews considerably more Hispanic than its surroundings.

Looking at the economic backdrop, Staff filings list 32 full-time-equivalent teachers, which works out to roughly 19.7:1 students per teacher. The state averages around 22.3:1, so this campus is tighter than the state norm typical. Around 78% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. Set against Los Angeles County (around 70%), the school's rate is north of typical.

On a demographically-adjusted basis, Rio Hondo Elementary tracks the demographic baseline. The model predicts 32.8% given the school's FRL share; actual proficiency is 33.9%.

In the area at large, census data for Los Angeles County shows the typical household earns roughly $90,112 per year, roughly 36% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Rio Hondo Elementary is one of 2244 public schools in Los Angeles County (combined enrollment of about 1,265,907 students).

Nearest neighbor: Arroyo High, around 0.7 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Rio Hondo Elementary ranks 7th on composite proficiency, below the local average of 55.0%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Over the past 7-year window, the student count shrank 11%: 714 students in 2018 compared to 636 in 2025. Hispanic enrollment moved from 72% to 78% across the same window. Class-load math has fell: from 22.0:1 in 2018 to 19.7:1 in 2025.

In the discussion threads here, members of the Rio Hondo Elementary community share and discuss school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.