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Average

#1531 of 1,790 private schools in CA

Cantwell Sacred Heart of Mary

High School

329 N GARFIELD AVE, Montebello, CA 90640

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 12 schools in Montebello. Learn more

Enrollment

342

Student-Teacher

14.8:1

Score

5.0

Grades

9th – 12th

Updated 2021-22

How this school compares

In Montebello

#2 of 4

public schools

California high schools

#246 of 277

About Cantwell Sacred Heart of Mary

Cantwell Sacred Heart of Mary serves 342 students in grades 9 through 12 in Montebello, California. This high school maintains a student-teacher ratio of 14.8 to 1 with 23 full-time equivalent teachers, providing opportunities for more individualized attention in the classroom. The school earns a MySchoolScout rating of 7.6 out of 10 and ranks #1257 out of 1790 California high schools, placing it in the 30th percentile statewide.

While the school has room for academic growth compared to top-performing schools across the state, it serves an important role in its community's educational landscape. Cantwell Sacred Heart of Mary is located on North Garfield Avenue in a neighborhood where the median household income is $72,163 and median home values reach $628,600. The surrounding ZIP code 90640 is home to approximately 62,294 residents, with 22% holding bachelor's degrees or higher and a poverty rate of 13%.

This diverse community context provides students with exposure to various socioeconomic backgrounds and experiences. The school operates within Montebello's large suburban setting in Los Angeles County, offering students the benefits of suburban community life while maintaining access to the broader educational and cultural resources of the greater Los Angeles metropolitan area.

What Parents Should Know

As a private school, Cantwell Sacred Heart of Mary 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.

Compare to Public Schools

Beta

How Cantwell Sacred Heart of Mary compares to 5 public schools serving similar grades in Montebello, CA

Student-Teacher Ratio
14.8:1
This School
vs
15.3:1
Public Avg
Avg School Size
342
This School
vs
963
Public Avg
Avg School Scout Rating
5.0
This School
vs
6.9
Public Avg

Student Demographics

Hispanic 89.5% vs 0%
Asian 2.6% vs 0%
White 1.2% vs 0%
Black 0.9% vs 0%
Cantwell Sacred Heart of Mary Montebello Public Avg

Nearby High Schools

School Rating
Cantwell Sacred Heart of Mary (this school) 5.0
Montebello High 6.1
Montebello Community Day
Schurr High 7.9
Applied Technology Center 7.3
Vail High (Continuation) 6.3

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- 4.6 / 10
View breakdown
Student-Teacher Ratio 14.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B- 4.8 / 10
View breakdown
School Day Length 6.5 hours
Annual Instructional Hours 1,170
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C 3.3 / 10
View breakdown
Diversity Index 20%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.1 / 10
View breakdown
Enrollment 342
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)

Hispanic 89.5%
Two or More 5.8%
Asian 2.6%
White 1.2%
Black 0.9%

Source: NCES Private School Survey (PSS)

Location

329 N GARFIELD AVE, Montebello, CA 90640

Nearby Alternatives

Families considering Cantwell Sacred Heart of Mary may also want to explore other high schools in the area. Schurr High (rated 7.9/10, 0.8 miles away), which scores notably higher. Another option is Applied Technology Center (rated 7.3/10, 1.1 miles away), which scores notably higher. Additionally, Vail High (Continuation) (rated 6.3/10, 1.6 miles away), which scores notably higher. For more schools in Montebello, see our Montebello schools guide .

Nearby Schools

20 within 1.6 mi
School Distance Rating
Cantwell–Sacred Heart of Mary High School Montebello 0.0 mi
Montebello Park Elementary Los Angeles 0.4 mi 5.8
Montebello High Montebello 0.4 mi 6.1
Wilcox Elementary Montebello 0.7 mi 7.2
KIPP Poder Public Los Angeles 0.7 mi 7.9
Joseph A. Gascon Elementary Los Angeles 0.7 mi 6.3
Schurr High Montebello 0.8 mi 7.9
OUR LADY OF THE MIRACULOUS MEDAL Montebello 0.9 mi 5.0
Montebello Intermediate Montebello 0.8 mi 7.8
Eastmont Intermediate Montebello 0.8 mi 7.8
Montebello Community Day Montebello 0.8 mi
Our Lady of The Miraculous Medal Montebello 0.9 mi
Washington Elementary Montebello 0.9 mi 7.5
Pacific Baptist School Monterey Park 1.2 mi
Applied Technology Center Montebello 1.1 mi 7.3
Bella Vista Elementary Monterey Park 1.3 mi 7.3
ST BENEDICT SCHOOL Montebello 1.2 mi 5.3
St. Benedict Elementary Montebello 1.2 mi
Macy Intermediate Monterey Park 1.6 mi 8.6
Vail High (Continuation) Montebello 1.6 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 90640 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$74,833

Median Home Value

$660,600

Median Rent

$1,771/mo

Population

61,615

College Educated

22%

Homeownership

46.3%

Avg Commute

31 min

Poverty Rate

12.8%

Median Age

39.4

Community Profile

The community surrounding Cantwell Sacred Heart of Mary has a median household income of $74,833. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $660,600, with a median rent of $1,771/month. The area has a poverty rate of 12.8%. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Bay Area Technology Oakland, CA 5.0
Cesar E. Chavez Lrng Acads-Soc Just Humanitas Acad San Fernando, CA 5.0
East Nicolaus High Nicolaus, CA 5.0
Nathaniel S. Colley Sr. High Sacramento, CA 5.0
Academy of the Canyons Santa Clarita, CA 4.9
Alameda Community Learning Center Alameda, CA 5.1

Frequently Asked Questions

Common questions about Cantwell Sacred Heart of Mary

What grades does Cantwell Sacred Heart of Mary serve?

Cantwell Sacred Heart of Mary serves students in grades 9th through 12th.

How many students attend Cantwell Sacred Heart of Mary?

Cantwell Sacred Heart of Mary has an enrollment of approximately 342 students.

What is the student-teacher ratio at Cantwell Sacred Heart of Mary?

The student-teacher ratio at Cantwell Sacred Heart of Mary is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Cantwell Sacred Heart of Mary rank in CA?

Cantwell Sacred Heart of Mary is ranked #1531 out of 1,790 private schools in CA.

What is Cantwell Sacred Heart of Mary's MySchoolScout rating?

Cantwell Sacred Heart of Mary has a composite rating of 5.0 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 Cantwell Sacred Heart of Mary a private school?

Yes, Cantwell Sacred Heart of Mary is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Cantwell Sacred Heart of Mary a religious school?

Cantwell Sacred Heart of Mary has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

City Safety
High (3,127/100K)

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

Quick Facts NCES PSS (SY 2021-22)

Grades
9th – 12th
Enrollment
342
Gender Split
48% M / 52% F
Student-Teacher Ratio
14.8:1
Teachers (FTE)
23
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
6.5 hours
Days Per Year
180 days
Setting
Large Suburb
County
LOS ANGELES
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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