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Email BoardVanguard Preparatory
12951 Mesquite Road, Apple Valley, CA 92308-5433
Summary
Vanguard Preparatory is badly underperforming.
Reading and math results average to the 39th percentile among comparable California schools.
Only 36.6% of students met California's reading standard, but it is trending up.
Math is weaker: 26.2% of students met California's math standard, but it is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 36.6% |
| Current Math Proficiency | 26.2% |
| Reading State Rank | 1,112/1,734 (36th percentile) |
| Math State Rank | 1,004/1,735 (42nd percentile) |
School information
| Student / Teacher Ratio | 23:1 |
| Student enrollment (2024–25) | 1,153 |
| Low-Income Students | 777 (67.4%) |
| English Learners | 84 (7.3%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.3 points from last year and rose 6.2 points over the full period. Math rose 2.1 points from last year and rose 4.6 points over the full period.
•Math +4.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 25.4% to 43.3% across the grades shown. Overall, the school’s reading results rank No. 1,112 of 1,734 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 13.8-point reading income gap is narrower than the 16.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
7.1% of English learners meet the reading standard, compared with 36.9% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races students have the strongest math results at about 37% proficiency. The other reported groups range from about 11% to 32%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 16.9% to 36.1% across the grades shown. Overall, the school’s math results rank No. 1,004 of 1,735 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.9-point math income gap is slightly wider than the 15.5-point gap at a typical California K–8 school. It widened slightly over the period shown.
•English Learners vs English Native
8.9% of English learners meet the math standard, compared with 27.5% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 802 schools for reading and 801 for math. The comparison uses 2026 California K–8 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Vanguard Preparatory compare within the district?
Vanguard Preparatory is No. 1 in both reading and math proficiency among the 5 K–8 schools in Apple Valley Unified with 2026 results.
Explore the district’s schoolsHow does Vanguard Preparatory rank in California?
Vanguard Preparatory ranks No. 1,112 of 1,734 in reading and No. 1,004 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Vanguard Preparatory compare within the district?
Low-income students here rank No. 1 in both subjects among 5 K–8 district schools with reportable 2026 results for this group. 33.0% meet the reading standard and 21.8% meet the math standard.
See results by student groupHow does Vanguard Preparatory compare with other schools in Apple Valley?
Vanguard Preparatory is No. 1 in both reading and math proficiency among the 5 K–8 schools in Apple Valley with 2026 results.
Explore schools in Apple ValleyHow does Vanguard Preparatory compare with other schools in San Bernardino County?
Vanguard Preparatory is No. 20 in reading and No. 18 in math proficiency among the 28 K–8 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Vanguard PreparatoryThis school | 26.2% | 36.6% |
| Mariana Academy | 14.4% | 21.6% |
| Phoenix Academy | 8.1% | 18.2% |
