Community prompt from u/allk12. Replies below.
Vanguard Preparatory
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 30 of every 100 students at this school read and write at grade level and about 22 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are down about 13 points since 2014, while math scores are down about 8 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 26% of students here test proficient in math and reading, compared with the roughly 39% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Vanguard Preparatory
Vanguard Preparatory is a heavily attended elementary campus in Apple Valley, California, part of Apple Valley Unified. The school caters to 1,153 students in grades K through 8. Enrollment runs roughly 148% bigger than the state mean of about 465.
Across the 14 schools in Apple Valley Unified (13,613 students total), Vanguard Preparatory accounts for its share of the district's footprint.
On demographics, Vanguard Preparatory shows that 63% of the student body identifies as Hispanic. Other groups include 30% White, 3% multiracial, 3% Black.
On the resource side, The school lists 48 full-time-equivalent teachers, for a student-teacher ratio near 24.2:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. Roughly 67% of students at Vanguard Preparatory qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.
After controlling for student poverty, Vanguard Preparatory sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 39.4%; this one delivers 26.2%.
In the broader community, 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 Vanguard Preparatory is one.
Nearest neighbor: High Desert Premier Academy, around 1.2 miles off. Counting just inside five miles, 8 other public schools cluster around Vanguard Preparatory. Ranking that nearby cluster on reported proficiency puts Vanguard Preparatory at 3rd of 7; the average score across the group is 19.6%.
The school occupies a residential site.
Trend over the last 7 years. Over the past 7-year window, the student count changed only slightly: 1,180 students in 2018 compared to 1,153 in 2025. Class-load math has fell: from 26.9:1 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. Contributors range from current parents to recent graduates and teachers.
San Bernardino County at a glance
View full county profileQuick facts
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