Mary Star Of The Sea High School (Top Ranked Private School for 2026-27)

Name: Open House
Start: 2026-11-19T05:30:00-08:00
End: 2026-11-19T08:00:00-08:00
Location: Mary Star Of The Sea High School

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Quick Facts (26-27)

Top Ranked CA School
Grades: 9-12
Enrollment: 402 students
Yearly Tuition: $12,700
Acceptance rate: 80%
Average class size: 19 students
Application Deadline: None / Rolling
Source: ✓Verified school update

Upcoming Events and News

Open House - Thu., November 19, 2026 - get more information!

Mary Star Homecoming / Maggio 2025 - 07/28/2026
Mary Star of the Sea High School celebrates Homecoming 2025 and our winning football team!

School Rankings

Mary Star Of The Sea High School ranks among the top 20% of private schools in California for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Mary Star Of The Sea High School
9	110
10	84
11	104
12	104

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ADD/ADHD Support

Yes

Learning Difference Programs

Yes

Learning Programs Supported

Mild Learning Differences

Year Founded

1951

Summer School Offered

Yes

Summer Program Details

View Summer Program Details

Student Body

Total Students

402 students

Student Body Type

Co-ed

% Students of Color

70%

State avg.: 52%

Academic Profile

Total Classroom Teachers

30 teachers

Student-Teacher Ratio

15:1

National avg.: 11:1

% Faculty w/Advanced Degree

97%

Average Class Size

19 students

Average SAT score

1135

(Out of 1600)

Average ACT score

(Out of 36)

Matriculation DataMatric. Data

View Matriculation Data

Classroom Dress Code

Casual

School uniform

Number of AP Courses

16 courses

List of Courses Offered

Link to List of Courses

Advanced Courses

AP US Government AP US History

AP Calculus ABAP English Language

AP English LiteratureAP Environmental Science

AP Human GeographyAP Physics I

AP Pre CalculusAP Research

AP SeminarAP Spanish Language

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Western Association of Schools and Colleges (Accrediting Commission for Schools) (ACS WASC)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Yearly Tuition Cost

$12,700

View national tuition avg.

Tuition Notes

Summer Program Cost Notes

$450 Summer Bridge or Enrichment; $250 per Course for 9 - 12th graders

% on Financial Aid

71%

Acceptance Rate

80%

National avg.: 85%

Admissions Director

Mrs. Gabrielle Flaum

Application URL

Online Application

Sports

Total Sports Offered

12 sports

Sports

BaseballBasketball

CheeringCross Country

Flag FootballFootball

GolfSoccer

SoftballSwimming

Track and FieldVolleyball

Colors

Navy Blue, Gold

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

29 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Agricultural ClubAnime Club

Archery ClubArt Club

Baking for a CauseBible Study

Book ClubC-2 Club

Campus Ministry ClubChess Club

Fantasy Sports ClubFilipino Club

Fishing ClubGreen Team

Hiking ClubJournalism Club

Mu Alpha ThetaRelay for Life

Rocket ClubSpanish Club

Squire RosesSquires

Students for Life ClubTable Tennis Club

Vocations in Progress

Show More (9)Hide

Arts and Music Programs:

ChoirDJ Club

Yearbook

Recreational Athletic Programs:

Ping Pong Club

School Notes

Mary Star of the Sea High School is a co-educational, secondary school located in San Pedro, CA. The school is operated by Mary Star of the Sea Parish under the supervision of the Department of Catholic Schools of the Archdiocese of Los Angeles.
The school focuses on the fundamentals of a quality education interwoven with strong Catholic principles.
The curriculum is grounded in a college preparatory program with a four-year honor track option.
Guided by the Norbertine Fathers, Mary Star promotes growth in self-discipline and responsibility through leadership, athletic, and service opportunities.

Mary Star of the Sea High School is a co-educational, secondary school located in San Pedro, CA. The school is operated by Mary Star of the Sea Parish under the supervision of the Department of Catholic Schools of the Archdiocese of Los Angeles.
The school focuses on the fundamentals of a quality education interwoven with strong Catholic principles.
The curriculum is grounded in a college preparatory program with a four-year honor track option.
Guided by the Norbertine Fathers, Mary Star promotes growth in self-discipline and responsibility through leadership, athletic, and service opportunities.

Sample of notable school alumni/alumnae:
- Tim Wrightman - Played for on the Chicago Bears Superbowl Champion Team, 1986.
- Michael Marinkovich - Vice Principal of Mary Star of the Sea High School
- John Hussey - NFL Referee
- Sarah Gascon - USA National Team Handball

Source: Verified school update

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Frequently Asked Questions

How much does Mary Star Of The Sea High School cost?

Mary Star Of The Sea High School's tuition is approximately $12,700 for private students.

What is the acceptance rate of Mary Star Of The Sea High School?

The acceptance rate of Mary Star Of The Sea High School is 80%, which is lower than the national average of 83%.

Who are famous alumni from Mary Star Of The Sea High School?

Mary Star Of The Sea High School famous alumni include: Tim Wrightman, Michael Marinkovich, John Hussey and Sarah Gascon.

Does Mary Star Of The Sea High School offer a summer program?

Yes, Mary Star Of The Sea High School offers a summer program. Visit their summer school page for more information.

What sports does Mary Star Of The Sea High School offer?

Mary Star Of The Sea High School offers 12 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Flag Football, Football, Golf, Soccer, Softball, Swimming, Track and Field and Volleyball. Mary Star Of The Sea High School is ranked as one of the top 20% of private schools in California for most sports offered.

What is Mary Star Of The Sea High School's ranking?

Mary Star Of The Sea High School ranks among the top 20% of private schools in California for: Highest percentage of faculty with advanced degrees, Largest student body, Most sports offered, Most extracurriculars offered and Oldest founding date.

When is the application deadline for Mary Star Of The Sea High School?

The application deadline for Mary Star Of The Sea High School is rolling (applications are reviewed as they are received year-round).

School Calendar

View the Mary Star Of The Sea High School yearly calendar below. Note key dates such as:

Event

Date

Last Day of Quarter

October 16, 2026 (Friday)

Last Day of Quarter

March 19, 2027 (Friday)

Last Day to Make-Up Exams

June 10, 2027 (Thursday)

Summer Session Final Exams - Last Day of Summer School

July 15, 2027 (Thursday)

School Reviews

5 12/27/2017

great school, brand new building, lots of activities and caring staff

- Posted by Parent - Pam Leonardo

Endorse Mary Star Of The Sea High School. Endorsements should be a few sentences in length. Please include any comments on:

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Did You Know?

The average private school tuition in Los Angeles County, CA is $17,541 for elementary schools and $23,846 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Los Angeles County, CA is 83% (read more about average acceptance rates across the country).