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Mary Star of the Sea High School

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Providing Over 65 Years of Academic Excellence in the South Bay and Challenging Students to Reach Their Full Human Potential Through a Living Faith in God.

News

MSHS Fall Raffle Winners

Drawing took place Friday, October 11, 2025 at halftime of the MSHS Varsity Football Game.
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Become a Star

Mary Star of the Sea High School, located in San Pedro, California, serves the Los Angeles Harbor and surrounding communities. 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. This is enhanced by an average class size of 24 and a committed, quality faculty.

Mary Star of the Sea
High School
At a Glance

  • 100% Graduate Annually
  • 98% Class of 2020 College Bound
  • 14:1 Student/Faculty Ratio
  • Mary Star of the Sea High School
  • building21 Average Class Size
  • diploma97% Class of 2020 A-G Requirements
  • 2 Million Financial Assistance Given in 2020-2021
Catholic Identity Priority #1

Spotlight Message

Visit Our School!

Let us welcome you to Mary Star of the Sea High School and show you our beautiful campus!
 
Tours
To book a private tour, please click HERE. Tours are available Monday-Friday, 8:30AM - 2:30PM and are conducted by Mrs. Flaum, Registrar.
 
"Star For A Day"
 
All students who are seriously interested in enrolling at Mary Star of the Sea High School are welcome to visit the campus and the classrooms shadowing a current student. Visits may be a partial day or a whole day of school.
 
Please click HERE to select a shadow date and complete the permission slip. 
 
Lunch will be provided.
 
Visiting students must wear their 8th grade uniform or nice pants and solid color polo. You may call the school office for clarification (310)-547-1138.
 
 
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