Join us in Prayer for the Papal Conclave
Let's join together to prayer as the College of Cardinals gathers to elect the new Holy Father. Click to learn more about how the Papal Conclave works.
Mater Dei High School Home
Monarch News
April Monarchs of the Month
Congratulations to Ty Bragalone and Kendall Pierson who were named Monarchs of the Month for April.
Mascot Tournament Update: Vote for Monty & Molly by 4/29!
Our beloved mascots, Molly and Monty, are competing in a national High School Mascot Tournament hosted by The64.com! We need your votes again by 4/29 at midnight to advance to round 3. Click here to vote now!
In Memory of Pope Francis
With Easter in our hearts, we also carry a profound sorrow. As the world celebrates the joy of the Resurrection, the Mater Dei community joins the global Church in mourning the passing of our beloved Holy Father, Pope Francis.
Inaugural Monarch Film Festival – 4/16
Join us for a night of creativity, storytelling, and celebration at the Inaugural Monarch Film Festival, hosted by our Film & Media Arts Department and proudly sponsored by Panasonic LUMIX! Can't make the event? Join us via Live Stream at 6 p.m.
11 Monarchs Commit to Continue Their Athletic Journey in College - 4/16
This morning 11 members of the Class of 2025 officially commited to continue their athletic journey at the collegiate level surrounded by their coaches, teammates, family and friends. Click here to see the full list.
2025 Spirit of Josef Award
Thank you to all who nominated an MD Employee for the 2025 Spirit of Josef Award. We surprised this year’s winner at the conclusion of our Holy Week Mass. Video to follow soon on our school's Instagram.
March Monarchs of the Month
Congratulations to Anthony Pagone and Sam Kim who were named Monarchs of the Month for March.
2025 Summer Camps!
Looking for the ultimate summer experience? Join us for Mater Dei High School’s Summer Sports Camps, where Future Monarchs, incoming students, and returning athletes can train, compete, and have fun with our elite coaches and Monarch athletes! Don’t miss your chance to elevate your game this summer. CLICK HERE to register now.
25-26 Registration Open Now
Register early (on or before 3/31) to enjoy a $100 discount on your registration fee and be automatically entered into a raffle for a chance to receive $1,000 off your 2025-2026 school year tuition!
Order Your MD 2025 Yearbook TODAY while supplies last
A limited number are available for purchase. Order yours today before we run out or pricing increases.
Spirit of Josef Award Nominations - Due 4/7
This award recognizes a current MD employee who exhibits the spirit of Josef by exemplifying his best traits. Students, parents, faculty, staff, and administration are encouraged to submit nominations.
Announcing Mater Dei's New Head Girls Flag Football Coach: Kevin Morton
Mater Dei High School is proud to announce the appointment of Kevin Morton as the new Head Coach of Girls Flag Football. Coach Morton succeeds Coach Josh Goedl, under whom he previously served as Assistant Coach during the program’s first two seasons. Click to see full press release.
Gratitude for Kevin Kiernan’s Legacy at Mater Dei
It is with deep appreciation that we share the news that Athletic Director Kevin Kiernan has announced his retirement, effective at the end of the school year. As the winningest coach in California girls basketball history, with over 900 career wins, Coach Kiernan has made an extraordinary impact on our student-athletes, both on and off the court. Click to read full press release.
Mater Dei High School Makes History with Playfly Sports!
Mater Dei High School is proud to announce a groundbreaking 10-year partnership with Playfly Sports, making us the first high school in the nation to secure a third-party multimedia rights agreement. This partnership will enhance sponsorship opportunities, increase media exposure, and elevate the experience for our students, families, and fans both on campus and at game days. Watch our launch video and read the official press release to learn more about how this collaboration will strengthen Mater Dei’s tradition of excellence!
Spring Spirit Week: March 24 - 28
Special Dress Days and lunchtime activities all week long! Click here below to purchase a soft serve ice cream to be served during both lunches on Wednesday, March 26!
Mater Dei At A Glance
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Uniquely Mater Dei
- 188 Zip Codes
- 124 Feeder Schools
- 73% Catholic/ 27% Non Catholic
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Faith & Service
- 45K+ Hours Given Per Year
- 600+ Organizations
- 140 Average Hours Per Graduate
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Comprehensive Academics
- 55 Honors Courses
- 21 AP Courses
- 109+ Electives
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Nationally Recognized Athletics
- 28 Sports Teams
- 71% Athletes on Honor Roll
- 23 Gatorade Players of the Year
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Unparalleled Arts
- 82 Courses
- 47% of student body
- 70% of Artists on Honor Roll
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Global Alumni Network
- 30K+ Worldwide
- Robust Alumni Business Network
- 20% Faculty Staff are Alumni
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