Cantwell-Sacred Heart Of Mary (Top Ranked Private School for 2026-27)

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Quick Facts (2026-27)

Top Ranked CA School
Grades: 9-12
Enrollment: 339 students
Yearly Tuition: $9,120
Acceptance rate: 98%
Average class size: 25 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

Cantwell-Sacred Heart Of Mary ranks among the top 20% of private schools in California for:

School Facts

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Western Association of Schools and Colleges (WASC)

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Cantwell-Sacred Heart Of Mary
9	70
10	57
11	101
12	111

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Year Founded

1947

Colors

Navy Blue, Gold, Cardinal

Summer School Offered

Yes

School Calendar

View School Calendar

Awards

Blue Ribbon School

Student Body

Total Students

339 students

Student Body Type

Co-ed

% Students of Color

97%

State avg.: 52%

Academics & Faculty

Total Classroom Teachers

20 teachers

Student-Teacher Ratio

17:1

National avg.: 11:1

% Faculty w/Advanced Degree

43%

Average Class Size

25 students

Number of AP Courses

8 courses

Advanced Courses

AP BiologyAP Calculus AB

AP Calculus BCAP English Language

AP English LiteratureAP European History

AP Spanish LanguageAP Spanish Literature

AP Studio Art

Classroom Dress Code

Formal

Khaki pants, polo shirt

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$9,120

View national tuition avg.

Tuition Notes

Financial Aid is available to those who qualify

% on Financial Aid

55%

Average Financial Aid Grant

$1,200

Acceptance Rate

98%

National avg.: 82%

Admissions Director

Rebecca Velasquez

Admissions Associate

Ms Gabby Ramos (International Students)

Application URL

Online Application

Sports

Total Sports Offered

9 sports

Sports

BaseballBasketball

CheeringCross Country

FootballSoccer

SoftballTrack and Field

Volleyball

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

11 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Art ClubChess Club

Drama ClubEnvironmental Club

Lattes & LiteratureNational Honor Society

Spanish ClubSTEM/NASA Club

Student Council (ASB)Students In Athletics Club

Yearbook

School Notes

Cantwell-Sacred Heart of Mary, a College Preparatory High School owned and operated by the Archdiocese of Los Angeles, provides an educational environment which promotes Gospel values, celebrates diversity, develops self-worth and respect for others, encourages personal responsibility, and challenges students to share their gifts in building a just and peaceful society.
Cantwell-Sacred Heart of Mary High School is fully accredited by the Western Association of Schools and Colleges and offers curricular and co-curricular activities providing all students with opportunities to pursue their interests in a supportive learning environment.
The curriculum prepares students for admission to four-year university programs and other career challenges.
The co-curricular program encourages students to develop mental and physical skills, a healthy competitive spirit, teamwork, and self-discipline.

School Motto: Age Cum Anima Christi

Cantwell-Sacred Heart of Mary is a Catholic coeducational high school whose philosophy and mission is based on the call of the United States Catholic Bishops, "To Teach as Jesus Did." CSHM accepts students on a space available basis. CSHM charges tuition for its educational services. CSHM has admissions requirements pertaining to academic standards, behavior and attendance as determined by the Dean of Admissions and the Principal.

Source: Verified school update

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Frequently Asked Questions

How much does Cantwell-Sacred Heart Of Mary cost?

Cantwell-Sacred Heart Of Mary's tuition is approximately $9,120 for private students.

What is the acceptance rate of Cantwell-Sacred Heart Of Mary?

The acceptance rate of Cantwell-Sacred Heart Of Mary is 98%, which is higher than the national average of 80%.

What sports does Cantwell-Sacred Heart Of Mary offer?

Cantwell-Sacred Heart Of Mary offers 9 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Football, Soccer, Softball, Track and Field and Volleyball.

What is Cantwell-Sacred Heart Of Mary's ranking?

Cantwell-Sacred Heart Of Mary ranks among the top 20% of private schools in California for: Highest percentage of students of color, Largest student body and Oldest founding date.

When is the application deadline for Cantwell-Sacred Heart Of Mary?

The application deadline for Cantwell-Sacred Heart Of Mary is rolling (applications are reviewed as they are received year-round).

In what neighborhood is Cantwell-Sacred Heart Of Mary located?

Cantwell-Sacred Heart Of Mary is located in the South Montebello neighborhood of Montebello, CA. There are 5 other private schools located in South Montebello.

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Did You Know?

The average private school tuition in Los Angeles County, CA is $18,294 for elementary schools and $23,987 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Los Angeles County, CA is 79% (read more about average acceptance rates across the country).