Arnold O. Beckman High

Arnold O. Beckman High operates as a roomy 9-12 campus in Irvine, California, overseen by Tustin Unified. Current enrollment sits at 2,776 students spanning grades 9 through 12. By comparison, California's public schools average about 838 students each, so Arnold O. Beckman High sits 231% larger than that benchmark.

Within Tustin Unified, which oversees 28 schools and 21,220 students, Arnold O. Beckman High is one campus in the system.

Looking at the student body, Arnold O. Beckman High reports that the largest single group is Asian at 45%, but no single group is in the majority. Beyond that, the school logs 28% Hispanic, 18% White, 6% multiracial, 3% Black. That is considerably more Asian than the county at large, where the share is closer to 22%.

On the resource side, Arnold O. Beckman High reports 105 full-time-equivalent teachers, putting the student-to-teacher ratio at about 26.4:1. Statewide, the average ratio sits near 18.2:1, putting Arnold O. Beckman High higher than the state norm the norm. An estimated 44% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is south of Orange County's rate of about 55%.

After controlling for student poverty, Arnold O. Beckman High sits in the top 10% of California schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 53.0%; actual is 73.5%, +20.5 points clear of the demographic baseline.

Across the wider county, the surrounding county (Orange County) shows that 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. Arnold O. Beckman High is one of 649 public schools in Orange County (combined enrollment of about 430,458 students).

The closest other public school is Brywood Elementary, roughly 0.7 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Arnold O. Beckman High comes 4th of 7 in the immediate cluster, above the nearby-schools average of 72.1%.

Arnold O. Beckman High operates from an inner-city location.

Five-year trend. Over the past 7-year window, the student count decreased 7%: 2,987 students in 2018 compared to 2,776 in 2025. The White share of enrollment edged down from 31% to 18% over that span.

Inside the community feed, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.