Fontana A. B. Miller High

As a big 9-12 campus in Fontana, California, Fontana A. B. Miller High hosts 1,950 students from grades 9 through 12, one of the schools within Fontana Unified. Compared to the state average of about 838 students per school, that is 133% larger than typical.

Fontana A. B. Miller High is one of 44 schools operated by Fontana Unified, a district that hosts 32,735 students overall.

For racial and ethnic makeup, Fontana A. B. Miller High reports that nearly all students (88%) are Hispanic. Other groups include 4% Black, 3% White, 2% Asian. That is meaningfully more Hispanic than the county at large, where the share is closer to 55%.

Looking at school resources, On paper, Fontana A. B. Miller High has 97 full-time-equivalent teachers, translating to a class-load average of around 20.2:1. Statewide, the average ratio sits near 18.2:1, putting Fontana A. B. Miller High higher than the state norm the norm. About 75% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a demographically-adjusted basis, Fontana A. B. Miller High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 34.6%, the actual is 40.5%, a residual of +5.9 points.

In the area at large, census data for San Bernardino County shows median household earnings sit near $85,478, 23% of adults hold a bachelor's degree or higher, and the poverty rate sits near 11%. Fontana A. B. Miller High is one of 583 public schools in San Bernardino County (combined enrollment of about 393,648 students).

Nearest neighbor: Wayne Ruble Middle, around 0.3 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), Fontana A. B. Miller High ranks 2nd on composite proficiency, higher than the local average of 32.5%.

Geographically, the school is in a suburban area.

Over the past 7-year window. Looking back 7 years, enrollment at Fontana A. B. Miller High has fell 13%, going from 2,229 students in 2018 to 1,950 in 2025.

On allk12, members of the Fontana A. B. Miller High community share and discuss pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.