Mariana Academy

Mariana Academy is one of the expansive K-5 schools in Apple Valley, California, part of Apple Valley Unified, with 781 students on its rolls from grades K through 8. Enrollment runs roughly 68% bigger than the state mean of about 465.

Apple Valley Unified runs 14 schools in total, collectively educating 13,613 students. Mariana Academy is one of those campuses.

Looking at the student body, Mariana Academy records that 63% of the student body identifies as Hispanic. Beyond that, the school records 27% White, 6% Black, 3% multiracial.

On the resource side, The school reports having 31 full-time-equivalent teachers, for a student-teacher ratio near 25.1:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. Around 84% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. Set against San Bernardino County (around 74%), the school's rate is north of typical.

On a demographically-adjusted basis, Mariana Academy performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 29.7%, the actual is 16.4%, a residual of -13.3 points.

Zooming out to the county, ACS estimates for San Bernardino County put median household income runs about $85,478, roughly 23% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. In all, San Bernardino County runs 583 public schools (combined enrollment of about 393,648 students), of which Mariana Academy is one.

Nearest neighbor: Sandia Academy, around 1.5 miles off. Counting just inside five miles, 8 other public schools cluster around Mariana Academy. Ranking that nearby cluster on reported proficiency puts Mariana Academy at 6th of 7; the average score across the group is 23.1%.

The school occupies a residential site.

Trend over the last 7 years. Over the past 7-year window, the student count ticked up 15%: 677 students in 2018 compared to 781 in 2025.

On the community side, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.