Mater Dei High School

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
Behind every achievement, success, and championship, stand the alumni, parents, faculty, staff, and friends who fortify our future. We invite you to support MD in a variety of ways with a gift that is meaningful to you.
- Students
- Parents
- Faculty

Events

Oct 9 Sat
- Marching Band Competition
  (Costa Mesa High School)
  - Performing Arts
Oct 22 Fri
- RCC Choir Festival
  7 PM (Riverside Community College)
  - Performing Arts
Oct 23 Sat
- Instrumental Music Fall Concert
  1 PM (The Grotto)
  - Performing Arts
Oct 24 Sun
- Choral & Vocal Music Fall Concert
  7 PM (Our Lady Queen of Angels)
  - Performing Arts
Oct 25 Mon
- Choral & Vocal Music Fall Concert
  7 PM (Our Lady Queen of Angels)
  - Performing Arts
Oct 27 Wed
- Friends Festival
  (Our Lady Queen of Angels)
  - Performing Arts
Oct 28 Thu
- Theater Arts Club's Haunted House
  3 PM (Little Theater)
  - Performing Arts
- Theater Arts Club's Haunted House
  5 PM (Little Theatre)
  - Performing Arts
- Guitar Halloween Concert
  6 PM (Bristol Tents)
  - Performing Arts
Oct 29 Fri
- Shortsfest
  1 PM (Little Theater)
  - Performing Arts
Oct 30 Sat
- Marching Band Orange County Invitational Competition
  (Westminster High School)
  - Performing Arts
- Shortsfest
  1 PM (Little Theater)
  - Performing Arts
- Shortsfest
  4 PM (Little Theatre)
  - Performing Arts

Su	Mo	Tu	We	Th	Fr	Sa
26•	27	28	29	30	1	2
3	4	5	6	7	8	9•
10	11	12	13	14	15	16
17	18	19	20	21	22•	23•
24•	25•	26	27•	28•••	29•	30•••
31	1	2•	3••	4•	5•	6••

Calendars

Diocesan Events
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
Alumni & Advancement
Visual Arts
Performing Arts
Campus Ministry
2023-2024 School Year

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