Katella High

Katella High is a 9-12 campus of heavily attended scale in Anaheim, California, part of Anaheim Union High, educateing 2,326 students in grades 9 through 12. Enrollment runs roughly 178% larger than the state mean of about 838.

Within Anaheim Union High, which oversees 21 schools and 26,076 students, Katella High is one campus in the system.

In terms of who attends, Katella High logs that nearly all students (90%) are Hispanic; the rest reads as 4% Asian, 3% White. The wider county runs roughly 34% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.

In terms of school funding signals, Staff filings list 96 full-time-equivalent teachers, which works out to roughly 24.2:1 students per teacher. Statewide, the average ratio sits near 18.2:1, putting Katella High higher than the state norm the norm. Roughly 92% of students at Katella High qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably above Orange County's rate of about 55%.

After controlling for student poverty, Katella High tracks the demographic baseline. The model predicts 24.8% given the school's FRL share; actual proficiency is 29.1%.

Across the wider county, community-level numbers for Orange County indicate the typical household earns roughly $116,289 per year, roughly 44% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Across Orange County's 649 public schools (combined enrollment of about 430,458 students), Katella High is one campus in the mix.

The closest other public school is Guinn (James M.) Elementary, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Katella High. On composite proficiency, Katella High comes 3rd of 9 in the immediate cluster, higher than the nearby-schools average of 24.4%.

The school occupies a downtown site.

Trend over the last 7 years. Over the past 7-year window, the student count declined 15%: 2,749 students in 2018 compared to 2,326 in 2025. Class-load math has fell: from 27.2:1 in 2018 to 24.2:1 in 2025.

On the community side, the page collects discussion, questions, and updates around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.