1
How has Alpha: Cornerstone Academy Preparatory changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
554
Elementary
STATE 465
SCHOOL COMMUNITY·ALPHA: CORNERSTONE ACADEMY PREPARATORY DISTRICT·NCES 060167112639
Alpha: Cornerstone Academy Preparatory
1598 Lucretia Ave., San Jose, CA 95122 · (408) 361-3876 · Santa Clara County
GRADES KG–08ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL554 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
23.1:1
24 FTE teachers
STATE 22.3:1
Free / Reduced Lunch
55%
306 students
STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 79 | 14% |
| Grade 1 | 57 | 10% |
| Grade 2 | 60 | 11% |
| Grade 3 | 61 | 11% |
| Grade 4 | 61 | 11% |
| Grade 5 | 60 | 11% |
| Grade 6 | 60 | 11% |
| Grade 7 | 59 | 11% |
| Grade 8 | 57 | 10% |
This year's kindergarten class (79) is 39% larger than its 8th grade class (57).
Student demographics
55%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Schools most like Alpha: Cornerstone Academy Preparatory
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Alpha: Cornerstone Academy Preparatory this school | 554 | 55.2% | N/A |
| Grazide Elementary Hacienda Heights | 606 | 56.8% | 63.8% |
| Charles G. Emery Elementary Buena Park | 646 | 55.3% | 65.0% |
| Alexander Rose Elementary Milpitas | 518 | 56.2% | 47.0% |
| Brier Elementary Fremont | 585 | 53.8% | 41.9% |
| Rolling Ridge Elementary Chino Hills | 586 | 50.3% | 77.4% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Alpha: Cornerstone Academy Preparatory ranks
Among elementary schools| Measure | This school | In California | In Santa Clara County |
|---|---|---|---|
| Enrollment ranked largest first | 554 | #1,812 of 5,915 | #43 of 255 |
| Students per teacher ranked fewest first | 23.1:1 | #3,042 of 5,352 | #162 of 247 |
| Diversity index ranked most diverse first | 54.8% | #2,347 of 5,354 | #131 of 247 |
| Free and reduced lunch ranked highest share first | 55.2% | #3,681 of 5,625 | #84 of 252 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
554
+33 (+6%) vs 2020
Student : Teacher
23.1:1
was 24.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 554 | 24 | 23.1:1 | 55% (306) |
| 2023-24 | 550 | 24.9 | 22.1:1 | 54% (298) |
| 2022-23 | 520 | 24.2 | 21.5:1 | 53% (274) |
| 2020-21 | 521 | 21 | 24.8:1 | 58% (302) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Alpha: Cornerstone Academy Preparatory.
About Alpha: Cornerstone Academy Preparatory
Located in San Jose, California, Alpha: Cornerstone Academy Preparatory is a medium-sized elementary school. The school had 554 students in kindergarten through 8 in 2024-25.
Alpha: Cornerstone Academy Preparatory falls under Alpha: Cornerstone Academy Preparatory District.
Alpha: Cornerstone Academy Preparatory is 57% Asian by enrollment. Other students are 36% Hispanic, 3% multiracial, and 2% White. By comparison, Santa Clara County residents are about 41% Asian. Pick two students at random and there is a 55% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
The school employs the equivalent of 24 full-time teachers, for a ratio of 23.1:1. That is higher than the 22.3:1 average for elementary schools in California. The free or reduced-price lunch share, often used to gauge student poverty, is 55%. By comparison, the figure for public schools in Santa Clara County is 37%.
Census Bureau estimates for Santa Clara County show that the median household income is $164,281, 57% of adults hold a bachelor's degree or higher, and about 4% of people live in poverty. Alpha: Cornerstone Academy Preparatory is one of 412 public schools in the county.
The closest other public school is Robert F. Kennedy Elementary, less than a tenth of a mile away. Alpha: Cornerstone Academy Preparatory has at least 8 other public schools within five miles.
Alpha: Cornerstone Academy Preparatory has an NCES locale of City: Large. Alpha: Cornerstone Academy Preparatory operates as a charter school, which is publicly funded and run under a charter.
Federal data show a 6% enrollment increase, from 521 in 2020-21 to 554 in 2024-25. The student-to-teacher ratio went down from 24.8:1 to 23.1:1.
The discussion area below is open to posts about sports schedules, lunch menus, and spirit week. Reviews and ratings from people who know the school are welcome.
Santa Clara County at a glance
View full county profilePopulation
1,902,047
Census ACS
Median income
$164,281
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
412
230,059 students
Quick facts
Related schools
Other schools in San Jose
- Evergreen Valley HighHigh · 2,703 students
- Independence HighHigh · 2,289 students
- Silver Creek HighHigh · 2,139 students
- Santa Teresa HighHigh · 2,134 students
- Piedmont Hills HighHigh · 1,918 students
- Leigh HighHigh · 1,884 students
Nearby schools
- Robert F. Kennedy Elementary0.0 mi · 300
- Yerba Buena High0.3 mi · 1,612
- Bridges Academy0.3 mi · 274
- College Connection Academy0.3 mi · 213
- Luis Valdez Leadership Academy0.3 mi · 225
- ACE Esperanza Middle0.3 mi · 205
Frequently asked questions
About Alpha: Cornerstone Academy PreparatoryHow many students attend Alpha: Cornerstone Academy Preparatory?
Alpha: Cornerstone Academy Preparatory enrolls approximately 554 students in grades KG-08.
What grades does Alpha: Cornerstone Academy Preparatory serve?
Alpha: Cornerstone Academy Preparatory serves grades KG-08.
How many teachers does Alpha: Cornerstone Academy Preparatory have?
Alpha: Cornerstone Academy Preparatory employs 24 FTE teachers, for a student-to-teacher ratio of 23.1:1.
What is the racial breakdown of students at Alpha: Cornerstone Academy Preparatory?
At Alpha: Cornerstone Academy Preparatory, the student body is approximately 2% White, 36% Hispanic, 2% Black, 57% Asian, 3% Two or more.
Is Alpha: Cornerstone Academy Preparatory public or private?
Alpha: Cornerstone Academy Preparatory is a public K-12 school operated as a charter, overseen by Alpha: Cornerstone Academy Preparatory District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.