Below Average
#7652 of 9,539 schools in CA
Alpha: Cornerstone Academy Preparatory
Elementary School · Alpha: Cornerstone Academy Preparatory District
1598 Lucretia Ave., San Jose, CA 95122
Enrollment
550
Student-Teacher
22.9:1
Score
4.7
Grades
Kindergarten – 8th
Enrollment
550
Student-Teacher
22.9:1
Score
4.7
Grades
Kindergarten – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#7,652 of 9,539
In San Jose
#168 of 223
public schools
Equity
8.9 / 10
Excellent
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Alpha: Cornerstone Academy Preparatory
Elementary School in San Jose · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Robert F. Kennedy Elementary
0.0 mi away. Use as a geographic alternative in the same move search.
Yerba Buena High
0.3 mi away. Use as a geographic alternative in the same move search.
About Alpha: Cornerstone Academy Preparatory
Alpha: Cornerstone Academy Preparatory is a public elementary school in San Jose, CA, part of Alpha: Cornerstone Academy Preparatory District. Alpha: Cornerstone Academy Preparatory serves approximately 550 students, and covers grades Kindergarten-8th, and has a 22.9:1 student-teacher ratio. Alpha: Cornerstone Academy Preparatory has a current MySchoolScout rating of 4.7 out of 10 and ranks #7,652 of 9,539 schools in CA.
Structured state assessment records for Alpha: Cornerstone Academy Preparatory show 59% math proficiency (multi-year average, 2018-2024) and 64% reading/ELA proficiency (multi-year average, 2018-2024).
- This school 4.7 · Below Average
- CA avg 6.2
What Parents Should Know
Alpha: Cornerstone Academy Preparatory runs 22.9:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Alpha: Cornerstone Academy Preparatory is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Alpha: Cornerstone Academy Preparatory — Students at Alpha: Cornerstone Academy Preparatory score 57% proficient, which is above what's typical for similar communities (expected: 44%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
54.2%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 20 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.5/10.
How Alpha: Cornerstone Academy Preparatory Compares
See how Alpha: Cornerstone Academy Preparatory performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
1598 Lucretia Ave., San Jose, CA 95122
Nearby Alternatives
Families considering Alpha: Cornerstone Academy Preparatory may also want to explore other elementary schools in the area. Jeanne R. Meadows Elementary (rated 7.6/10, 0.7 miles away), which scores notably higher. Another option is Shirakawa (George Sr.) Elementary (rated 5.8/10, 0.7 miles away), which scores notably higher. Additionally, McKinley Elementary (rated 5.5/10, 1.1 miles away), which scores slightly higher. For more schools in San Jose, see our San Jose schools guide .
Nearby Schools
20 within 1.3 mi| School | Distance | Rating |
|---|---|---|
| Robert F. Kennedy Elementary San Jose | 0.0 mi | 4.8 |
| Yerba Buena High San Jose | 0.3 mi | 7.2 |
| Luis Valdez Leadership Academy San Jose | 0.3 mi | 7.4 |
| College Connection Academy San Jose | 0.3 mi | 9.5 |
| Bridges Academy San Jose | 0.3 mi | 5.8 |
| ACE Esperanza Middle San Jose | 0.3 mi | 3.9 |
| Santee Elementary San Jose | 0.4 mi | 4.9 |
| Rocketship Mosaic Elementary Redwood City | 0.4 mi | 5.2 |
| Shirakawa (George Sr.) Elementary San Jose | 0.7 mi | 5.8 |
| Jeanne R. Meadows Elementary San Jose | 0.7 mi | 7.6 |
| O. S. Hubbard Elementary San Jose | 0.8 mi | 3.0 |
| Alpha: Jose Hernandez San Jose | 0.9 mi | 2.5 |
| Alpha: Blanca Alvarado San Jose | 0.9 mi | 2.7 |
| McKinley Elementary San Jose | 1.1 mi | 5.5 |
| KIPP Heartwood Academy San Jose | 1.1 mi | 9.5 |
| Kipp Prize Preparatory Academy San Jose | 1.1 mi | 9.0 |
| Selma Olinder Elementary San Jose | 1.2 mi | 4.0 |
| Rocketship Los Suenos Academy Redwood City | 1.3 mi | 5.3 |
| Franklin Elementary San Jose | 1.4 mi | 4.7 |
| A. J. Dorsa Elementary San Jose | 1.3 mi | 3.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95122 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$103,406
Median Home Value
$838,900
Median Rent
$2,424/mo
Population
52,206
College Educated
17.9%
Homeownership
52.8%
Avg Commute
27.6 min
Poverty Rate
9%
Median Age
36.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Abraham Lincoln Elementary Santa Ana, CA | 4.7 |
| Amelia Earhart Elementary School of International Studies Indio, CA | 4.7 |
| Aspire University Charter Modesto, CA | 4.7 |
| Belle Haven Elementary Menlo Park, CA | 4.7 |
| Blackford Elementary San Jose, CA | 4.7 |
| Box Springs Elementary Moreno Valley, CA | 4.7 |
Frequently Asked Questions
Common questions about Alpha: Cornerstone Academy Preparatory
What grades does Alpha: Cornerstone Academy Preparatory serve?
Alpha: Cornerstone Academy Preparatory serves students in grades Kindergarten through 8th.
How many students attend Alpha: Cornerstone Academy Preparatory?
Alpha: Cornerstone Academy Preparatory has an enrollment of approximately 550 students.
What is the student-teacher ratio at Alpha: Cornerstone Academy Preparatory?
The student-teacher ratio at Alpha: Cornerstone Academy Preparatory is 22.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Alpha: Cornerstone Academy Preparatory rank in CA?
Alpha: Cornerstone Academy Preparatory ranks #7,652 of 9,539 schools in CA.
What is Alpha: Cornerstone Academy Preparatory's MySchoolScout rating?
Alpha: Cornerstone Academy Preparatory has a current MySchoolScout rating of 4.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Alpha: Cornerstone Academy Preparatory?
Based on loaded state assessment records, Alpha: Cornerstone Academy Preparatory has 59% math proficiency (multi-year average, 2018-2024) and 64% reading/ELA proficiency (multi-year average, 2018-2024).
Is Alpha: Cornerstone Academy Preparatory a charter school?
Yes, Alpha: Cornerstone Academy Preparatory is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Alpha: Cornerstone Academy Preparatory a Title I school?
No, Alpha: Cornerstone Academy Preparatory is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Alpha: Cornerstone Academy Preparatory?
54.2% of students at Alpha: Cornerstone Academy Preparatory qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 550
- Student-Teacher Ratio
- 22.9:1
- Teachers (FTE)
- 24
- Free/Reduced Lunch
- 54.2%
- Type
- regular
- Setting
- Large City
- County
- Santa Clara County
- Chronic Absenteeism (SY 2022-23)
- 15.3%
- Phone
- (408) 361-3876
Resources & Links
District
Alpha: Cornerstone Academy Preparatory District- District Enrollment
- 550
- Schools in District
- 1
- Per-Pupil Spending
- $15,060
- District Rank
- #1 of 1
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