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

Sep 11 Mon
- Senior Minute Meetings with Counselors (English Classrooms)
  Counseling
Sep 12 Tue
- Senior Minute Meetings with Counselors (English Classrooms)
  Counseling
Sep 18 Mon
- Academic Excellence 6 PM (MAC)
  Counseling
Sep 19 Tue
- Transfer Student Connection Lunch 10:50 AM (Counseling Office)
  Counseling
Sep 20 Wed
- Freshman Counseling Classroom Visits (English Classrooms)
  Counseling
- Freshmen Parent Webinar 11:30 AM (Online)
  Counseling
Sep 21 Thu
- Freshman Counseling Classroom Visits (English Classrooms)
  Counseling
- Senior Parent Webinar (Online)
  Counseling
Sep 26 Tue
- Senior Interview Day 8 AM – 2 PM (Library)
  Counseling
Sep 28 Thu
- Senior Interview Day 8 AM – 2 PM (Library)
  Counseling
Sep 29 Fri
- Mid-Autumn Festival
  Counseling
- Counselor Letter of Recommendation Questionnaire Due by 4pm 4 PM (Online)
  Counseling

Calendars

Select all