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Below Average

#7652 of 9,539 schools in CA

Alpha: Cornerstone Academy Preparatory

Elementary School · Alpha: Cornerstone Academy Preparatory District · San Jose, CA

A charter elementary school in San Jose, CA where students score 13 points above what's typical for similar communities.

Charter

1598 Lucretia Ave., San Jose, CA 95122

  • Math 53% vs CA 37% (2024)
  • Reading 61% vs CA 46% (2024)
  • 22.9:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress1.5Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-3.63 pts/yr
Data Period2018–2024
TrendDeclining
Academics8.8Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency52.7% (2024 CAASPP)
Reading/ELA Proficiency61.4% (2024 CAASPP)
Math vs. State Avg+7 pts
Reading vs. State Avg+18.6 pts
Overall Proficiency57% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)44% (model expectation from 2024 CAASPP)
vs. Expected+13.2 pts
Adjusted Percentile81th
Resources & Environment6.3Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.9:1
District spending per student$15,060
Chronic Absenteeism15.3%

Students at Alpha: Cornerstone Academy Preparatory score 57% proficient, which is above what's typical for similar communities (expected: 44%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency53%(2024 CAASPP)
School
State
37%(2024 CAASPP)
ELA Proficiency61%(2024 CAASPP)
School
State
46%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 20 points since 2018, to 57% in 2024, across a 7-year record (2018–2024).

Show all 4 years by subject
2018
Math
78%
ELA
75%
2019
Math
78%
ELA
75%
2022
Math
62%
ELA
61%
2024
Math
53%
ELA
61%

Multi-year averages used by the rating model: math 59% (multi-year average, 2018-2024) · reading/ELA 64% (multi-year average, 2018-2024)

Based on 20 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

54.2%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Alpha: Cornerstone Academy Preparatory sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Jose map →

Getting around & local context

  • Walk 62Somewhat Walkable
  • Transit 41Some Transit
  • Bike 61Bikeable
  • City Safety: High3,210/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (San Jose), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$103,406

Median home value

$838,900

Median rent

$2,424/mo

College educated

17.9%

Homeownership

52.8%

Poverty rate

9%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95122; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search

SchoolScoreGradesDistanceEnrollmentCompare
Robert F. Kennedy ElementaryEnrollment path unverified4.8K–60.0 mi300Compare →
Rocketship Mosaic ElementaryCharter · enrollment unverified5.2K–50.4 mi561Compare →
Santee ElementaryEnrollment path unverified4.9K–60.4 mi330Compare →
Jeanne R. Meadows ElementaryEnrollment path unverified7.6K–60.7 mi432Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Alpha: Cornerstone Academy Preparatory District

Schools in district
1
Rank in district
#1 of 1
District spending per student
$15,060NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
The source release did not match this district identifier.

Alpha: Cornerstone Academy Preparatory is listed in Alpha: Cornerstone Academy Preparatory District; a district label does not verify attendance for an address.

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, serving approximately 550 students in grades Kindergarten-8th with a 22.9:1 student-teacher ratio. It holds a MySchoolScout rating of 4.7 out of 10 and ranks #7,652 of 9,539 schools in CA. State assessment records show 59% math proficiency (multi-year average, 2018-2024) and 64% reading/ELA proficiency (multi-year average, 2018-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 8th
Enrollment
550
Student-Teacher Ratio
22.9:1
Teachers (FTE)
24
Type
regular
Setting
Large City
County
Santa Clara County
Chronic Absenteeism (SY 2022-23)
15.3%
Area population (ZIP 95122)
52,206
Area average commute
27.6 min
Area median age
36.3
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 95122; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2024; directory SY 2023–24

About our data · How we calculate scores

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