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

Mar 1 Sun
- Play Production: Pride & Prejudice 2 PM (Santa Ana College)
  Performing Arts
Mar 3 Tue
- Musical Theatre Trip: Vanguard University (Vanguard University)
  Performing Arts
Mar 5 Thu
- Seattle Performance Tour (Seattle)
  Performing Arts
Mar 6 Fri
- Seattle Performance Tour (Seattle)
  Performing Arts
Mar 7 Sat
- Seattle Performance Tour (Seattle)
  Performing Arts
Mar 8 Sun
- Seattle Performance Tour (Seattle)
  Performing Arts
Mar 11 Wed
- Mt. SAC Chamber Festival (Mt. SAC)
  Performing Arts
Mar 14 Sat
- Biola Chambers Festival (Biola University)
  Performing Arts
- Honors Musical Theatre Performance: Alice in Wonderland 2 PM (Santa Ana College)
  Performing Arts
- Honors Musical Theatre Performance: Alice in Wonderland 7 PM (Santa Ana College)
  Performing Arts
Mar 18 Wed
- Honor Choir Ice Cream Social 7 PM – 8 PM (Choir Room)
  Performing Arts
Mar 19 Thu
- 2026-27 Dance Program Info Night 6 PM (Pavilion)
  Performing Arts
Mar 20 Fri
- CSUF Chamber Festival (CSUF)
  Performing Arts
- La Primavera 7 PM (Christ Cathedral)
  Performing Arts
Mar 21 Sat
- Aliso Classic Hip Hop Competition (Aliso Niguel High School)
  Performing Arts
Mar 25 Wed
- SCVA Vivace & Concert Choir Festival (Sunny Hills High School)
  Performing Arts
Mar 29 Sun
- Guitar Concert Fundraiser 5 PM – 8 PM (Rock & Brews, Buena Park)
  Performing Arts
Mar 30 Mon
- Percussion Ensemble Concert 7 PM (Pavilion)
  Performing Arts

Events in March 2026
Su	Mo	Tu	We	Th	Fr	Sa
One event •		One event •		One event •	One event •	One event •
One event •			One event •			3 events •••
			One event •	One event •	2 events ••	One event •
			One event •
One event •	One event •		One event •

Calendars

Diocesan Events
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