Centennial High

Centennial High operates as a heavily attended senior high in Corona, California, overseen by Corona-Norco Unified. Current enrollment sits at 2,712 students spanning grades 9 through 12. By comparison, California's public schools average about 838 students each, so Centennial High sits 224% above that benchmark.

Across the 51 schools in Corona-Norco Unified (49,370 students total), Centennial High accounts for its share of the district's footprint.

For racial and ethnic makeup, Centennial High reports that Hispanic students make up the majority at 63%; the rest breaks down as 12% White, 12% Asian, 9% Black, 3% multiracial. The wider county runs roughly 51% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

On the resource side, On paper, Centennial High has 111 full-time-equivalent teachers, translating to a class-load average of around 24.4:1. Statewide, the average ratio sits near 18.2:1, putting Centennial High higher than the state norm the norm. Roughly 81% of students at Centennial High qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

After controlling for student poverty, Centennial High ranks in the top 10% of California public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 31.1%; Centennial High posts 46.4%, +15.3 points above that line.

In the area at large, census data for Riverside County shows the typical household earns roughly $93,074 per year, 26% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 8%. Across Riverside County's 543 public schools (combined enrollment of about 424,872 students), Centennial High is one campus in the mix.

The closest other public school is John Stallings Elementary, roughly 0.3 miles away. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Centennial High ranks 4th on composite proficiency, below the local average of 50.1%.

The campus sits in an urban setting.

Over the past 7-year window. Looking back 7 years, enrollment at Centennial High has fell 13%, going from 3,108 students in 2018 to 2,712 in 2025. The White share of enrollment fell from 17% to 12% over that span.

On the community side, members of the Centennial High community share and discuss school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.