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
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.

Events

Nov 2 Wed
- Mock Trial Competition - Round 1
  5 PM – 7 PM (Santa Ana Courthouse)
  - Activities
Nov 4 Fri
- Beach Blitz Robotics Competition
  (Capistrano Valley High School)
  - Activities
Nov 5 Sat
- Beach Blitz Robotics Competition
  (Capistrano Valley High School)
  - Activities
Nov 6 Sun
- Beach Blitz Robotics Competition
  (Capistrano Valley High School)
  - Activities
Nov 8 Tue
- Special Dress - Senior T-Shirts & Jeans
  - Activities
- Monarch Connection Office Hour
  10:40 AM – 11:20 AM
  - Activities
Nov 9 Wed
- Special Dress - All School Fall Play T-Shirt & Jeans
  - Activities
- Mock Trial Competition - Round 2
  5 PM – 7 PM (Santa Ana Courthouse)
  - Activities
Nov 12 Sat
- Academic Decathlon SoCal Region Round 1
  8 AM – 12:30 PM (LeVecke)
  - Activities
Nov 14 Mon
- Mock Trial Competition - Round 3
  5 PM – 7 PM (Santa Ana Courthouse)
  - Activities
Nov 16 Wed
- Mock Trial Competition - Round 4
  5 PM – 7 PM (Santa Ana Courthouse)
  - Activities
Nov 19 Sat
- MUN Team at Tustin High School 30th Annual MUN Conference
  8:30 AM – 5 PM (Tustin HS)
  - Activities
Nov 25 Fri
- University of Notre Dame Football Rally
  6 PM (MD)
  - Activities
Nov 30 Wed
- Special Dress - ASB T-Shirts & Jeans
  - Activities
- Mock Trial Playoffs - Round 5
  5 PM – 7 PM (Santa Ana Courthouse)
  - Activities

Su	Mo	Tu	We	Th	Fr	Sa
30•	31•	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••	1••	2•	3

Calendars

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

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