Rosemead High

Rosemead High, an expansive four-year high school in Rosemead, California, operated by El Monte Union High, serves 1,691 students, covering grades 9 through 12. Compared to the state average of about 838 students per school, that is 102% larger than typical.

El Monte Union High runs 7 schools in total, collectively educating 7,278 students. Rosemead High is one of those campuses.

Demographically, Rosemead High records that 51% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Other groups include 47% Asian. That composition is broadly in line with Los Angeles County as a whole.

Looking at school resources, Staff filings list 74 full-time-equivalent teachers, which works out to roughly 22.9:1 students per teacher. Statewide, the average ratio sits near 18.2:1, putting Rosemead High higher than the state norm the norm. About 86% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Los Angeles County runs at roughly 70%, so the school's eligibility rate is higher than the surrounding baseline.

With demographic context factored in, Rosemead High is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 28.4%; this one delivers 59.3%, a residual of +30.9 points.

In the area at large, community-level numbers for Los Angeles County indicate median household income runs about $90,112, roughly 36% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Rosemead High is one of 2244 public schools in Los Angeles County (combined enrollment of about 1,265,907 students).

Encinita Elementary 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. Among the 7 schools in that immediate cluster with test data (this one included), Rosemead High ranks 5th on composite proficiency, above the local average of 55.7%.

Geographically, the school is in a residential area.

Looking at the recent track record. Over the past 7-year window, the student count shrank 8%: 1,847 students in 2018 compared to 1,691 in 2025.

On allk12, the feed for Rosemead High typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.