Alpha: Cornerstone Academy Preparatory
Elementary school in San Jose, CA · Santa Clara County Office of Education · Grades K-8 · Charter
On the spring 2026 state tests, 64% of Alpha: Cornerstone Academy Preparatory students met or exceeded California's reading (ELA) standard and 54% met the math standard. In reading, that is 15 points above the California average (49%). Its reading result is higher than 67% of Bay Area elementary schools, and it ranks 35th of 122 public elementary schools in San Jose. Reading results in 2026 were 3 points higher than in 2024, and math results were 2 points higher than in 2024.
Test scores, 2024 to 2026
| Subject | Spring 2024 | Spring 2025 | Spring 2026 | Change |
|---|---|---|---|---|
| Reading (ELA) | 61% | 61% | 64% | +3 pts |
| Math | 53% | 52% | 54% | +2 pts |
Compared with nearby averages
| Spring 2026 | Reading (ELA) | Math |
|---|---|---|
| Alpha: Cornerstone Academy Preparatory | 64% | 54% |
| Santa Clara County | 60% | 54% |
| California | 49% | 38% |
Results by grade, spring 2026
| Grade | Reading (ELA) | Math |
|---|---|---|
| 3rd grade | 60% | 59% |
| 4th grade | 47% | 48% |
| 5th grade | 71% | 56% |
| 6th grade | 68% | 65% |
| 7th grade | 68% | 42% |
| 8th grade | 71% | 56% |
Students are tested in grades 3 to 8 and 11. Each grade is a different group of students, so differences between grades are not a trend.
Homes near Alpha: Cornerstone Academy Preparatory
The typical home value in ZIP code 95122, where Alpha: Cornerstone Academy Preparatory is located, is $945K, down 1.6% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Charter schools usually admit by application or lottery, so where you live may not decide whether your child can attend.
Nearby elementary schools
| Distance | School | Reading (ELA) | Math | Typical home value (ZIP) |
|---|---|---|---|---|
| 0.1 mi | Robert F. Kennedy ElementarySan Jose · Grades K-6 | 25% | 21% | $945K |
| 0.3 mi | Rocketship Mosaic Elementary CharterSan Jose · Grades K-5 | 60% | 64% | $945K |
| 0.4 mi | Santee ElementarySan Jose · Grades K-6 | 26% | 22% | $945K |
| 0.7 mi | George, Sr. Shirakawa ElementarySan Jose · Grades K-6 | 49% | 39% | $956K |
| 0.8 mi | Jeanne R. Meadows ElementarySan Jose · Grades K-6 | 33% | 31% | $945K |
| 0.8 mi | O. S. Hubbard ElementarySan Jose · Grades K-5 | 25% | 19% | $945K |
School details
- Address
- 1598 Lucretia Avenue, San Jose, CA 95122
Get directions · See it on our map - Phone
- (408) 361-3876
- County
- Santa Clara County
- Grades
- K-8
- Students
- 568 (2025-26)
- Type
- Elementary school · Traditional · Charter
- Opened
- 2010
- Website
- www.alphapublicschools.org
- State school code
- 43104390121483
Common questions
How did Alpha: Cornerstone Academy Preparatory do on state tests?
In spring 2026, 64% of students met or exceeded the reading (ELA) standard and 54% met the math standard, compared with 49% and 38% across California.
How many students attend Alpha: Cornerstone Academy Preparatory?
568 students were enrolled in the 2025-26 school year, in grades K-8.
How much do homes cost near Alpha: Cornerstone Academy Preparatory?
The typical home value in ZIP code 95122, where Alpha: Cornerstone Academy Preparatory is located, is $945K, down 1.6% over the past year (Zillow Home Value Index). Prices inside the school's attendance zone can differ.
Does living near Alpha: Cornerstone Academy Preparatory guarantee a spot?
No. As a charter school it usually admits by application or lottery rather than by address.