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 8 Sat
- ASB Incoming Freshman Interviews 2 PM – 4 PM (LeVecke)
  Activities
- Sophomore & Junior Night Under the Stars 6 PM – 11 PM (Grotto & Levecke)
  Activities
May 10 Mon
- Academic Decathlon Banquet 6 PM – 9 PM (LeVecke Center)
  Activities
May 14 Fri
- SPIRIT DRESS
  Activities
May 17 Mon
- Yearbook Banquet 6 PM – 9 PM (LeVecke)
  Activities
May 19 Wed
- Special Dress: College Dress for Seniors ONLY
  Activities
- Senior Good-Bye Rally 11:15 AM (MAC)
  Activities
- Senior Good-Bye Picture 12:30 PM (Grotto)
  Activities
- Senior Picnic 12:45 PM (Mater Dei Campus)
  Activities
May 20 Thu
- Prom 2021 7 PM – 11 PM (Hangar 21 @ Fullerton Municipal Airport)
  Activities
May 24 Mon
- Senior Check-Out, iPad return, Book Buyback and Graduation Item Pick-up (MAC)
  Activities
May 29 Sat
- Graduation (Grey Group) 9 AM (Mater Dei Field)
  Activities
- Graduation (Red Group) 4:30 PM (MD)
  Activities

Calendars

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