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Free Catholic Youth Event at Christ Cathedral - 5/3 Featured Photo

Free Catholic Youth Event at Christ Cathedral - 5/3

Open to middle and high school students. The event will feature live worship, music, and an inspiring speaker, Mr. Paul J Kim. Attendees will be entered into a drawing for a NEW iPad. Click for more information and to RSVP.
2024 Spirit of Josef Award Featured Photo

2024 Spirit of Josef Award

Thank you to all who nominated an MD Employee for the 2024 Spirit of Josef Award. Thank you to everyone who took time to submit nominations. We surprised this year’s winner with the news last week aired this special video on Monarch Television this morning!
2024-2025 School Year Registration Featured Photo

2024-2025 School Year Registration

We look forward to another amazing school year with all of our Monarchs! Information regarding registration was sent via email to all current and incoming families.
Fall 2023 Semester Honor Roll Featured Photo

Fall 2023 Semester Honor Roll

Congratulations to all our Monarchs who made the Fall 2023 Honor Roll. Your hard work and dedication have paid off, showcasing your commitment to academic excellence. Keep up the great work and continue to inspire others with your achievements!
2024-2025 Important Dates Calendar Featured Photo

2024-2025 Important Dates Calendar

The important dates calendar is released annually to help our MD Community plan for vacations, national and school holidays, school breaks, start and end of school year, semester and AP exams, and special events. All dates listed on the important dates calendar are subject to change and will be communicated to our community in advance.
SAT and ACT Preparation Featured Photo

SAT and ACT Preparation

Tried & True Tutoring is bringing its popular SAT and ACT programs to campus during the spring 23-24 semester. Note the dates have changed from previous post.
Introducing Our 2023-2025 Strategic Plan Featured Photo

Introducing Our 2023-2025 Strategic Plan

This exciting initiative is the culmination of extensive collaboration and careful planning, and we are confident that it will significantly enhance Mater Dei’s future.
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We Are MD

Our Mission

Mater Dei is a co-educational Catholic college preparatory high school located in Santa Ana, CA. Rooted in our tradition of Honor, Glory, and Love, we serve a diverse student community committed to knowledge, faith, and service.
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Faith & Service Academics Athletics Campus Life The Arts

Mater Dei At A Glance

  • Uniquely Mater Dei
    • 195 Zip Codes
    • 124 Feeder Schools
    • 72% Catholic/ 28% Non Catholic
  • Faith & Service
    • 45K+ Hours Given Per Year
    • 600+ Organizations
    • 160 Average Hours Per Graduate
  • Comprehensive Academics
    • 53 Honors Courses
    • 22 AP Courses
    • 109+ Electives
  • Nationally Recognized Athletics
    • 28 Sports Teams
    • 71% Athletes on Honor Roll
    • 23 Gatorade Players of the Year
  • Unparalleled Arts
    • 82 Courses
    • 48% of student body
    • 70% of Artists on Honor Roll
  • Global Alumni Network
    • 30K+ Worldwide
    • Robust Alumni Business Network
    • 20% Faculty Staff are Alumni