Serving 520 students in grades Kindergarten-8, Alpha Cornerstone Academy Preparatory ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 61% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the California state average of 47%).
The student:teacher ratio of 22:1 is equal to the California state level of 22:1.
Minority enrollment is 98% of the student body (majority Asian), which is higher than the California state average of 79% (majority Hispanic and Asian).
Quick Stats (2024-25)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 520 students
- Student:Teacher Ratio: 22:1
- Minority Enrollment: 98%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 61% (Top 20%)
- Reading Proficiency: 62% (Top 30%)
- Science Proficiency: 40-44% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Alpha Cornerstone Academy Preparatory ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
School Overview
Alpha Cornerstone Academy Preparatory's student population of 520 students has stayed relatively flat over five school years.
The teacher population of 24 teachers has grown by 26% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
520 students
Gender %
Total Classroom Teachers
24 teachers
Students by Grade
School Calendar
School Rankings
Alpha Cornerstone Academy Preparatory ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Alpha Cornerstone Academy Preparatory is 0.53, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1489 out of 9602 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
61%
33%
Reading/Language Arts Test Scores (% Proficient)
62%
47%
Science Test Scores (% Proficient)
40-44%
29%
Student : Teacher Ratio
22:1
22:1
American Indian
n/a
1%
Asian
61%
12%
Hispanic
31%
55%
Black
2%
5%
White
2%
21%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Eligible for Free Lunch
45%
51%
Eligible for Reduced Lunch
8%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Alpha Cornerstone Academy Preparatory's ranking?
Alpha Cornerstone Academy Preparatory is ranked #1489 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What schools are Alpha Cornerstone Academy Preparatory often compared to?
Alpha Cornerstone Academy Preparatoryis often viewed alongside schools like Rocketship Mosaic Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
61% of students have achieved math proficiency (compared to the 33% CA state average), while 62% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Alpha Cornerstone Academy Preparatory?
520 students attend Alpha Cornerstone Academy Preparatory.
What is the racial composition of the student body?
61% of Alpha Cornerstone Academy Preparatory students are Asian, 31% of students are Hispanic, 4% of students are Two or more races, 2% of students are Black, and 2% of students are White.
What is the student:teacher ratio of Alpha Cornerstone Academy Preparatory?
Alpha Cornerstone Academy Preparatory has a student ration of 22:1, which is equal to the California state average of 22:1.
What grades does Alpha Cornerstone Academy Preparatory offer ?
Alpha Cornerstone Academy Preparatory offers enrollment in grades Kindergarten-8
What school district is Alpha Cornerstone Academy Preparatory part of?
Alpha Cornerstone Academy Preparatory is part of Alpha: Cornerstone Academy Preparatory School District.
In what neighborhood is Alpha Cornerstone Academy Preparatory located?
Alpha Cornerstone Academy Preparatory is located in the Kennedy neighborhood of San Jose, CA. There are 1 other public schools located in Kennedy.
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