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 5 Wed
- Ash Wednesday
  Diocesan Events
Mar 7 Fri
- Chapman Choir Festival (Chapman University)
  Performing Arts
Mar 12 Wed
- SCVA Festival (Concert Choir) (Mission Viejo HS)
  Performing Arts
Mar 13 Thu
- Fullerton Choir Festival - Men (CSU Fullerton)
  Performing Arts
Mar 14 Fri
- Fullerton Chambers Festival (CSU Fullerton)
  Performing Arts
- Diocesan HS Learning Support Meeting 9:30 AM – 10:30 AM (Zoom)
  Diocesan Events
- La Primavera 7 PM (Freed Theater, Christ Cathedral)
  Performing Arts
Mar 15 Sat
- Honors Musical Theatre Class Musical 2 PM (Santa Ana College)
  Performing Arts
- Honors Musical Theatre Class Musical 7 PM (Santa Ana College)
  Performing Arts
Mar 17 Mon
- Diocesan Principal Meet-Up 9 AM – 10 AM (Zoom)
  Diocesan Events
Mar 18 Tue
- 2025-26 New Dance Teams Info Night 6 PM (Pavilion)
  Performing Arts
Mar 20 Thu
- Senior Musical 7 PM (Santa Ana College)
  Performing Arts
Mar 21 Fri
- Senior Musical 7 PM (Santa Ana College)
  Performing Arts
Mar 22 Sat
- Senior Musical 2 PM (Santa Ana College)
  Performing Arts
- Senior Musical 7 PM (Santa Ana College)
  Performing Arts
Mar 23 Sun
- Mini Monarch Hip Hop Clinic 9 AM – 12 PM (Pavilion)
  Performing Arts
Mar 26 Wed
- Mt SAC Chamber Festival (Mt San Antonio College)
  Performing Arts
Mar 27 Thu
- Diocesan Technology Coordinator Meetings 9 AM – 10 AM (Zoom)
  Diocesan Events
Mar 30 Sun
- Mini Monarch Dance Clinic 12 PM – 3 PM (Pavilion)
  Performing Arts

Events in March 2025
Su	Mo	Tu	We	Th	Fr	Sa
One event •				One event •
			One event •		One event •
			One event •	One event •	3 events •••	2 events ••
	One event •	One event •		One event •	One event •	2 events ••
One event •			One event •	One event •
One event •			One event •	One event •	2 events ••	One event •

Calendars

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

Select all

Loading...