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

Dec 1 Sun
- Christmas Spirit Week Decorating
  9 AM
  - Activities
Dec 2 Mon
- Christmas Spirit Week
  - Activities
- Special Snow Day Dress: Wear all White with Cozy Gloves, Scarves & Winter Flair
  - Activities
Dec 3 Tue
- Christmas Spirit Week
  - Activities
- Red Cross Blood Drive
  - Activities
- Special Whoville Dress: Crazy Hair with Pink or Green Attire
  - Activities
Dec 4 Wed
- Christmas Spirit Week
  - Activities
- Red Cross Blood Drive
  - Activities
- Special Ugly Sweater Dress with Spirit Bottoms
  - Activities
Dec 5 Thu
- Christmas Spirit Week
  - Activities
- Special Candy Cane Dress: Wear Red & White with a Christmas Hat
  - Activities
- Mock Trial @ CRF Round 5
  5 PM – 8 PM (Central Justice Center, Santa Ana)
  - Activities
Dec 6 Fri
- Christmas Spirit Week
  - Activities
- Special Christmas Comfy Dress: Sweatpants & Sweatshirts
  - Activities
- St. Nicholas Day
  - Activities
- Class of 2025 Panoramic Photo
  10:30 AM – 10:50 AM (Soccer Field)
  - Activities
Dec 7 Sat
- Monarch Robotics Team to the STEM on the Sidelines Competition
  9 AM (The Bolt, LA Chargers Training Facility)
  - Activities
Dec 9 Mon
- Academic Decathlon MDAD Speech & Interview Competition
  3 PM – 5:30 PM (600 Wing Classrooms)
  - Activities
Dec 11 Wed
- Special Dress - Madrigal Feast
  - Activities
Dec 13 Fri
- MD Spirit Dress
  - Activities
Dec 19 Thu
- Blessing in the Grotto
  12 PM (Grotto)
  - Activities

Su	Mo	Tu	We	Th	Fr	Sa
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

Calendars

Diocesan Events
Home Campus
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
Alumni & Advancement
Visual Arts
Performing Arts
Campus Ministry
2022-2023 School Year
2024-2025 School Year

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