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

Oct 2 Wed
- Admissions Visit - Our Lady of Fatima School 11:20 AM – 12 PM
- Admissions Visit - St. Joseph School (Santa Ana) 12:30 PM – 1:15 PM
Oct 3 Thu
- Shadow Day - CLOSED
Oct 4 Fri
- Shadow Day - FULL
- Admissions Visit - St. Joachim School 8:30 AM – 9 AM
- Admissions Visit - La Purisima School 1:30 PM – 2:15 PM
Oct 7 Mon
- Shadow Day - CLOSED
Oct 8 Tue
- Admissions Visit - St. Norbert School 9:15 AM – 10 AM
- Admissions Visit - St. Pius V School 12 PM – 12:45 PM
- Calvary Christian School High School Night 7 PM – 8 PM (1010 N. Tustin Ave Santa Ana, CA 92705)
Oct 9 Wed
- Admissions Visit - St. Jeanne de Lestonnac School 12:10 PM – 12:45 PM
- Admissions Visit - St. John the Baptist School 1:45 PM – 2:30 PM
Oct 10 Thu
- Shadow Day - FULL
- Admissions Visit - St. Barbara School 8:30 AM – 9:15 AM
- Pegasus-Harbor Day School High School Night 7 PM – 9 PM (The Pegasus School 19692 Lexington Ln Huntington Beach, CA 92646)
Oct 11 Fri
- Shadow Day (All School Spirit Rally) - FULL
- Admissions Visit - St. Justin Martyr School 1:30 PM – 2 PM
Oct 14 Mon
- Shadow Day - FULL
- St. Mark's Lutheran School High School Night (Hacienda Heights) 6 PM – 9 PM (2323 Las Lomitas Dr Hacienda Heights, CA 91745)
Oct 15 Tue
- Admissions Visit - St. Francis of Assisi School 8:30 AM – 8:55 AM
- Friends Christian School High School Night 6:30 PM – 8 PM (4231 Rose Drive (Center Building) Yorba Linda, CA 92886-1635)
Oct 16 Wed
- Information Night #1 6:30 PM – 9 PM (Meruelo Athletic Center)
Oct 17 Thu
- Shadow Day - FULL
Oct 18 Fri
- Shadow Day - FULL
Oct 20 Sun
- OCPSA High School Fair 1 PM – 4 PM (UCI - Emerald Bay ABCDE Rooms 4113 Pereira Drive, Irvine, CA 92617)
Oct 21 Mon
- Admissions Visit - St. Cecilia School 2 PM – 2:30 PM
Oct 22 Tue
- St. Mary's School (Aliso Viejo) High School Night 6 PM – 8 PM (7 Pursuit Aliso Viejo, CA 92656)
Oct 24 Thu
- Westerly School High School Night 3 PM – 5 PM (2950 E 29th Street Long Beach, CA 90806)

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