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

Oct 1 Sat
- MD Unplugged (Grotto)
  Performing Arts
- Theatre in the Grotto 4 PM (Grotto)
  Performing Arts
Oct 2 Sun
- Theatre in the Grotto 7 PM (Grotto)
  Performing Arts
Oct 7 Fri
- Special Dress - Marching Band T-Shirt & Jeans
  Performing Arts
Oct 8 Sat
- Marching Band South Coast Invitational (Costa Mesa High School)
  Performing Arts
Oct 19 Wed
- RCC Chamber Singers Festival 7 PM (Riverside Community College)
  Performing Arts
Oct 20 Thu
- Shortsfest 4 PM (Little Theatre)
  Performing Arts
- Instrumental Music Fall Concert 6 PM (LeVecke)
  Performing Arts
Oct 21 Fri
- Shortsfest 4 PM (Little Theatre)
  Performing Arts
Oct 23 Sun
- Choir Fall Concert 7 PM (Our Lady Queen of Angels)
  Performing Arts
Oct 26 Wed
- Friends Festival (Our Lady Queen of Angels)
  Performing Arts
Oct 27 Thu
- Haunted House & Graveyard Bash 3 PM (Little Theatre & Pavilion)
  Performing Arts

Calendars

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