Mater Dei High School
Forward in Vision, Rooted in Tradition

About MD
Mater Dei is a distinguished destination of excellence in academics and technology, the arts, faith and service, campus life, and athletics. We are proud to be Orange County’s oldest and largest Catholic high school.
Admissions
Your journey to becoming a Monarch starts here! Tour campus, schedule a shadow day, begin your application, and more. We are excited for you to join the MD family!
Programs
Built on Catholic fellowship and intellectual rigor, our programs in academics, technology, athletics, faith and service, and the arts provide unlimited opportunities for student success. Comprehensive counseling and wellness resources educate and bolster families throughout the high school journey.
Faith in Action
Guided by the articulation of Catholic Social Teachings, Mater Dei prioritizes the faith development of our students with an emphasis on Christian service. We believe this allows our students to grow in their spiritual lives while living our gospel values through giving back to others and truly experiencing the face of God.
Campus Life
Through avenues of leadership, faith, shared interests, and extracurricular activities and events, students can make Mater Dei their own. Get involved today!
Community
Tradition never graduates. Alumni, lifetime parents, grandparents, and friends are a vital and vibrant aspect of our community. Once a Monarch, always a Monarch.
Giving

Events

May 3 Tue
- AP Computer Science Exam (Library) 7:30 AM – 11:30 AM (Library )
  Counseling
- AP Spanish Language Exam (Monarch Pavilion) 7:30 AM – 11:30 AM (Monarch Pavilion (Old Gym))
  Counseling
- AP Art History Exam (Monarch Pavilion) 12 PM – 4 PM (Monarch Pavilion (Old Gym) )
  Counseling
May 4 Wed
- AP Calculus AB Exam (Monarch Pavillion) 7:30 AM – 11:30 AM (Monarch Pavilion (Old Gym) )
  Counseling
- AP Calculus BC Exam (Guidance Conference Room) 7:30 AM – 11:30 AM (Guidance Conference Room )
  Counseling
May 5 Thu
- Ap English Literature Exam (Meruelo Athletic Center) 7:30 AM – 11:30 AM (Meruelo Athletic Center )
  Counseling
May 6 Fri
- AP US History Exam (Meruelo Athletic Center) 7:30 AM – 11:30 AM (Meruelo Athletic Center )
  Counseling
- AP European History Exam (Monarch Pavilion) 12 PM – 4 PM (Monarch Pavilion (Old Gym) )
  Counseling
- AP Studio Art Exams 12 PM – 4 PM (Library & Classrooms )
  Counseling
May 9 Mon
- AP Biology Exam (Monarch Pavilion) 7:30 AM – 11:30 AM (Monarch Pavilion (Old Gym) )
  Counseling
- AP Physics Exam (Monarch Pavilion) 7:30 AM – 11:30 AM (Monarch Pavilion (Old Gym) )
  Counseling
May 10 Tue
- AP U.S. Govt. & Politics Exam (Meruelo Athletic Center) 7:30 AM – 11:30 AM (Meruelo Athletic Center)
  Counseling
- AP Compartive Government (Guidance Conference Room) 12 PM – 4 PM (Guidance Conference Room )
  Counseling
- AP French Language Exam (Library) 12 PM – 4 PM (Library)
  Counseling
May 11 Wed
- AP English Language Exam (Guidance Conference Room) 7:30 AM – 11:30 AM (Guidance Conference Room )
  Counseling
- AP Statistics (Monarch Pavilion) 12 PM – 4 PM (Monarch Pavilion (Old Gym))
  Counseling
May 12 Thu
- AP Macroeconomics Exam (Guidance Conference Room) 7:30 AM – 11:30 AM (Guidance Conference Room )
  Counseling
- AP World History Exam (Guidance Conference Room) 7:30 AM – 11:30 AM (Guidance Conference Room )
  Counseling
- AP Microeconomics Exam (Guidance Conference Room) 12 PM – 4 PM (Guidance Conference Room )
  Counseling
May 13 Fri
- AP Human Geography Exam (Guidance Conference Room) 7:30 AM – 11:30 AM (Guidance Conference Room )
  Counseling
- AP Spanish Literature Exam (Monarch Pavilion) 7:30 AM – 11:30 AM (Monarch Pavilion (Old Gym) )
  Counseling

Calendars

Diocesan Events
Home Campus
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
Alumni & Advancement
Visual Arts
Performing Arts
Campus Ministry
2024-2025 School Year

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