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Very Good

#461 of 1,790 private schools in CA

Top 26% of private schools

Cornerstone Christian School

School

1745 E 18TH ST, Antioch, CA 94509

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 27 schools in Antioch. Learn more

Enrollment

501

Student-Teacher

12.5:1

Score

7.1

Grades

Pre-K – 12th

Updated 2021-22

How this school compares

In Antioch

#2 of 5

public schools

California schools

#104 of 366

About Cornerstone Christian School

Cornerstone Christian School serves 501 students from prekindergarten through 12th grade in Antioch, California. With 40 full-time equivalent teachers, the school maintains a favorable 12.5:1 student-teacher ratio, allowing for more individualized attention in classrooms. The school has earned a solid 8.4 out of 10 rating from MySchoolScout and ranks #1060 out of 1790 schools statewide, placing it in the 41st percentile among California schools.

This performance suggests a school that provides steady educational foundations for its diverse student body spanning the full K-12 range. Located on East 18th Street, Cornerstone Christian School sits in the heart of Antioch's suburban landscape. The surrounding 94509 neighborhood reflects a working-class community with a median household income of $78,637 and median home values around $516,200.

About 18% of local residents hold bachelor's degrees or higher, while the poverty rate stands at 14.7% among the area's nearly 71,000 residents. The school's comprehensive grade span from prekindergarten through high school allows families to maintain continuity within one educational community as their children progress through all stages of their schooling. Cornerstone Christian School operates within Antioch's large suburban setting, serving families in this established Contra Costa County community.

What Parents Should Know

As a private school, Cornerstone Christian School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Financial Overview

Source: IRS Form 990 (2022 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$415
Per-Pupil Revenue
Total revenue ÷ enrollment
$273
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
0.66x — At Risk
Total Assets
End-of-year total assets from IRS filing
$5,267

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 501 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Cornerstone Christian School compares to 27 public schools serving similar grades in Antioch, CA

Student-Teacher Ratio
12.5:1
This School
vs
20.1:1
Public Avg
Avg School Size
501
This School
vs
543
Public Avg
Avg School Scout Rating
7.1
This School
vs
5.7
Public Avg

Student Demographics

White 33.7% vs 0%
Black 23.8% vs 0%
Hispanic 14% vs 0%
Asian 5% vs 0%
Cornerstone Christian School Antioch Public Avg

Nearby Other Schools

School Rating
Cornerstone Christian School (this school) 7.1
Bidwell Continuation High 5.2
Kimball Elementary 6.0
Belshaw Elementary 5.8
Grant Elementary 6.3
Antioch Middle 4.7
Fremont Elementary 6.3
Live Oak High (Continuation) 6.0
Antioch High 5.4
Marsh Elementary 4.8
Park Middle 4.6
Prospects High (Alternative) 7.2
Muir (John) Elementary 6.0
Sutter Elementary 5.2
Jack London Elementary 4.5
Antioch Charter Academy II 6.7
Black Diamond Middle 6.8
Thomas Gaines Virtual Academy 6.2
Dallas Ranch Middle 5.4
Antioch Charter Academy 4.5
Deer Valley High 5.0

Showing 20 of 27 schools. View all schools in Antioch

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B 5.7 / 10
View breakdown
Student-Teacher Ratio 12.5:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B+ 7.3 / 10
View breakdown
School Day Length 7 hours
Annual Instructional Hours 1,260
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A+ 9.7 / 10
View breakdown
Diversity Index 76%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
B 6.1 / 10
View breakdown
Enrollment 501
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in CA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 33.7%
Black 23.8%
Two or More 22.6%
Hispanic 14.0%
Asian 5.0%
Pacific Islander 1.0%

Source: NCES Private School Survey (PSS)

Location

1745 E 18TH ST, Antioch, CA 94509

Nearby Alternatives

Families considering Cornerstone Christian School may also want to explore other schools in the area. Rocketship Delta Prep (rated 6.5/10, 1.0 miles away, in nearby Redwood City), with a comparable rating. Another option is HOLY ROSARY ELEMENTARY SCHOOL (rated 6.5/10, 1.4 miles away), with a comparable rating. Additionally, Grant Elementary (rated 6.3/10, 1.5 miles away), with a comparable rating. For more schools in Antioch, see our Antioch schools guide .

Nearby Schools

20 within 2.1 mi
School Distance Rating
Cornerstone Christian School Antioch 0.1 mi
Bidwell Continuation High Antioch 0.8 mi 5.2
SPECTRUM CENTER- ANTIOCH CAMPUS Antioch 0.8 mi 6.0
Spectrum Center, Antioch Antioch 0.9 mi
Rocketship Delta Prep Redwood City 1.0 mi 6.5
Grant Elementary Antioch 1.5 mi 6.3
Kimball Elementary Antioch 1.2 mi 6.0
Belshaw Elementary Antioch 1.4 mi 5.8
Holy Rosary Antioch 1.4 mi
HOLY ROSARY ELEMENTARY SCHOOL Antioch 1.4 mi 6.5
Antioch Middle Antioch 1.7 mi 4.7
Fremont Elementary Antioch 1.8 mi 6.3
Muir (John) Elementary Antioch 2.2 mi 6.0
Successful Independent Study High School Antioch 2.2 mi
Live Oak High (Continuation) Antioch 1.8 mi 6.0
Jack London Elementary Antioch 2.4 mi 4.5
Park Middle Antioch 2.1 mi 4.6
HILLTOP CHRISTIAN SCHOOL Antioch 2.5 mi 6.2
Antioch High Antioch 2.0 mi 5.4
Marsh Elementary Antioch 2.1 mi 4.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94509 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$81,512

Median Home Value

$565,300

Median Rent

$2,052/mo

Population

71,013

College Educated

18.9%

Homeownership

58.3%

Avg Commute

41.2 min

Poverty Rate

13.7%

Median Age

37.6

Community Profile

The community surrounding Cornerstone Christian School has a median household income of $81,512. It is a community where 19% of adults hold a bachelor's degree or higher. The median home value in the area is $565,300, with a median rent of $2,052/month. The area has a poverty rate of 13.7%. The average commute in the area is 41 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
FAIRMONT SAN JUAN CAPISTRANO San Juan Capistrano, CA 7.1
FREMONT CHRISTIAN SCHOOL Fremont, CA 7.1
Family Partnership Charter Santa Maria, CA 7.1
Magnolia Science Academy Santa Ana Santa Ana, CA 7.1
THE ROCK ACADEMY San Diego, CA 7.1
CALIFORNIA CROSSPOINT ACADEMY Hayward, CA 7.0

Frequently Asked Questions

Common questions about Cornerstone Christian School

What grades does Cornerstone Christian School serve?

Cornerstone Christian School serves students in grades Pre-K through 12th.

How many students attend Cornerstone Christian School?

Cornerstone Christian School has an enrollment of approximately 501 students.

What is the student-teacher ratio at Cornerstone Christian School?

The student-teacher ratio at Cornerstone Christian School is 12.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Cornerstone Christian School rank in CA?

Cornerstone Christian School is ranked #461 out of 1,790 private schools in CA.

What is Cornerstone Christian School's MySchoolScout rating?

Cornerstone Christian School has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is Cornerstone Christian School a private school?

Yes, Cornerstone Christian School is a private coeducational school with a Assembly of God affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Cornerstone Christian School a religious school?

Cornerstone Christian School has a Assembly of God religious affiliation.

11 schools nearby View map →

Neighborhood Context

Walk Score
32 Car-Dependent
Transit Score
44 Some Transit
Bike Score
46 Somewhat Bikeable
City Safety
High (3,815/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Antioch). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 12th
Enrollment
501
Gender Split
50% M / 50% F
Student-Teacher Ratio
12.5:1
Teachers (FTE)
40
Type
private
Coed Status
coed
Affiliation
Assembly of God
School Day
7 hours
Days Per Year
180 days
Setting
Large Suburb
County
CONTRA COSTA
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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