Founded in 1960 as Marian High School, Mater Dei Catholic has evolved into a thriving TK-12 Catholic school in San Diego.
With nearly 1,500 students, Mater Dei Catholic is the second largest private school in San Diego. We are committed to inspiring the hearts, minds, and souls of our student.
As Crusaders, we are dedicated to Christian service, academic excellence and innovation. Mater Dei is committed to creating well-rounded, faith-filled leaders.
We provide an exceptional Catholic education enriched with opportunities for STEAM (Science, Technology, Engineering, Arts and Math), athletics and spiritual development. Mater Dei Catholic is known as "The Place to Be" because we offer something for everyone.
Our Blessed Mother is revered as our patroness who intercedes to help lead us to her son, Jesus.

Quick Stats (2021-22)

  • Grades: Kindergarten-12
  • Yearly Tuition: $18,210
  • Average class size: 23 students
  • Application Deadline: None / Rolling

Top Rankings

Mater Dei Catholic ranks among the top 20% of private schools in California for:

Sports offered

School Overview

Religious Affiliation
Grades Offered
Grades Kindergarten-12
ADD/ADHD Support
Learning Difference Programs
Year Founded
Summer School Offered

Student Body

Total Students
Student Body Type
% Students of Color
State avg.: 48%

Academics and Faculty

Total Classroom Teachers
85 teachers
% Faculty w/Advanced Degree
Average Class Size
23 students
Number of AP Courses
17 courses
List of Courses Offered
Advanced Courses
2, 3 Honors, Advanced Theater Honors, Algebra 2/Trig Honors, Art History, Biology, Biology Honors, Calculus AB, Calculus BC, Chemistry, Chemistry Honors, Computer Science, English 1, English 115 College Class, English 116 College Class, English Language & Composition, English Literature, Environmental Science, Environmental Science - College Class, French 3 Honors, French Language and Culture, Geometry Honors, Human Geography 120 College Class, Physical Geography 101 & Lab College Class, Physics 1, Political Science, Pre-Calculus Honors, Psychology 101 College Class, Sociology, Spanish 3 Honors, Spanish Language and Culture, Spanish Literature, Statistics, US Government & Politics, US History, World History
Average SAT score
Average ACT score
Classroom Dress Code

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Scholarships & Tuition Assistance Available
% on Financial Aid
Average Financial Aid Grant
Admissions Director
Mr. Roy Vasquez
Admissions Associate
Ms. Margarita Hernandez



Total ExtracurricularsTotal Extra-curric.
37 extracurriculars
Club or Organization:
Academic League, American Red Cross Club, Art Club, Asian Pacific Club, Black Student Union, Book Club, Chess Club, Creative Writing, Crusader Impact, Crusaders for Change, Culinary Club, Empathy Club, Faith Formation Club, Fantasy Football Club, French Club, Girl Up, Journalism, Junior Optimist Club, Key Club, Mater Dei Missionaries, National Honor Society, NBA Fan Club, Quiz Bowl Club, Robotics Club, Stocks Business Club, Student Haven Club, Students for Life, Sustainability Club, TEDEd Club, Ukulele Club

Arts and Music Programs:
Band, Choir Club, Theater Arts

Recreational Athletic Programs:
Field Hockey, Lacrosse, Rugby, Surf Club

School Notes

  • Mater Dei Catholic High School (9-12 Grade) has 1036 students with an average class size of 23 and a 16:1 student/teacher ratio. In 2021, we had 390 National Honors Society members, 19 Ford Scholar recipients, and 89% of students taking the AP exam received a passing score. More than 90% of our students participate in our sports and extra-curricular activities. MDCHS is acclaimed for its Academy of Science, which focuses on Last year, Mater Dei Catholic High School was named the D2 State School of the Year in California. 
  • Mater Dei Juan Diego Academy (TK-8 grade) has 440 students with an average class size of 23. We have the only Catholic 50/50 dual language Spanish/English immersion elementary school in all of San Diego County. The curriculum is rooted in the STEAM education model (Science, Technology, Religion, Engineering, Arts and Math) with the goal to educate the whole child while incorporating spirituality and fostering faith.
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Quick Stats (2021-22)

  • Grades: Kindergarten-12
  • Yearly Tuition: $18,210
  • Average class size: 23 students
  • Application Deadline: None / Rolling

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The average acceptance rate in Chula Vista, CA is 91% (read more about average acceptance rates across the country).

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