The Arts at Mater Dei High School
September 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday
30
31
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
V Girls Flag Football vs La Habra (MD)
2026 - 2027 School Year - New
V Girls Golf @ Southbay Invitational 9 AM (Lakewood CC)
2026 - 2027 School Year - New
1
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
Back to School Night: Freshmen & Sophomores (MD)
2026 - 2027 School Year - New
Leadership Team Meeting 10 AM – 3 PM (MCR)
2026 - 2027 School Year - New
V Boys Water Polo @ Westlake 5:15 PM (Westlake)
2026 - 2027 School Year - New
V Girls Volleyball @ Millikan 5:45 PM (Millikan)
2026 - 2027 School Year - New
2
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
International Student Connection during Both Lunches (Library/LCC/Rotunda)
2026 - 2027 School Year - New
V Girls Golf @ University HS 3:30 PM (Mile Square GC)
2026 - 2027 School Year - New
3
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
Diocesan DPA Meeting 8:30 AM – 2 PM (Pastoral Center - 4A)
2026 - 2027 School Year - New
PAC Project Committee Weekly Update 8:30 AM – 9:30 AM (MCR)
2026 - 2027 School Year - New
V Girls Volleyball vs Mira Costa 5:45 PM (MAC)
2026 - 2027 School Year - New
4
RED (Rally Schedule): B. 1, 3, 5, 7
2026 - 2027 School Year - New
Fall Rally (MAC)
2026 - 2027 School Year - New
V Girls Volleyball @ Dave Mohs Tournament (Edison)
2026 - 2027 School Year - New
V Boys Water Polo vs Crean Lutheran 5 PM (MD)
2026 - 2027 School Year - New
V Football vs Valor Christian, CO 7 PM (SA Bowl)
2026 - 2027 School Year - New
5
V Cross Country @ Lowell Invitational (Golden Gate Park)
2026 - 2027 School Year - New
V Girls Volleyball @ Dave Mohs Tournament (Edison)
2026 - 2027 School Year - New
6
7
No School - Labor Day
2026 - 2027 School Year - New
8
GRAY (Pair Day - Early Dismissal): B. 2, 4, 6, 8
2026 - 2027 School Year - New
Back to School Night: Juniors & Seniors (MD)
2026 - 2027 School Year - New
Club Rush during Both Lunches (Shamrock Plaza)
2026 - 2027 School Year - New
Executive Team Meeting 10 AM – 12 PM (MCR)
2026 - 2027 School Year - New
Lunch & Learn: Parent Education Series 12 PM – 12:45 PM (Virtual)
2026 - 2027 School Year - New
V Girls Flag Football vs Orange Lutheran 6 PM (MD)
2026 - 2027 School Year - New
9
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
Club Rush during Both Lunches (Shamrock Plaza)
2026 - 2027 School Year - New
10
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
Service Fair during Both Lunches (Shamrock Plaza)
2026 - 2027 School Year - New
PAC Project Committee Weekly Update 8:30 AM – 9:30 AM (MCR)
2026 - 2027 School Year - New
Senior Parent Webinar: College Application Overview 12 PM – 1 PM (Online)
2026 - 2027 School Year - New
V Girls Golf @ Crean Lutheran 3:30 PM (Mile Square GC)
2026 - 2027 School Year - New
V Girls Volleyball vs Cathedral Catholic 5:45 PM (MAC)
2026 - 2027 School Year - New
11
No School - Diocesan Convocation
2026 - 2027 School Year - New
Advanced Choirs Retreat (Cedar Lake, Big Bear)
2026 - 2027 School Year - New
Special Dress: Red/White/Blue Dress with Spirit Bottoms
2026 - 2027 School Year - New
V Boys Water Polo @ Santa Barbara Tournament (Dos Pueblos)
2026 - 2027 School Year - New
Diocesan Educators Convocation 8 AM – 12 PM (TBD)
2026 - 2027 School Year - New
V Football vs Corona Centennial 7 PM (SA Bowl)
2026 - 2027 School Year - New
12
Advanced Choirs Retreat (Cedar Lake, Big Bear)
2026 - 2027 School Year - New
SAT Testing (TBD)
2026 - 2027 School Year - New
V Boys Water Polo @ Santa Barbara Tournament (Dos Pueblos)
2026 - 2027 School Year - New
V Girls Flag Football vs Riverside Poly/Rosary (MD)
2026 - 2027 School Year - New
Class of 2006 Reunion 5 PM – 11 PM (LeVecke & Shamrock Plaza)
2026 - 2027 School Year - New
13
Advanced Choirs Retreat (Cedar Lake, Big Bear)
2026 - 2027 School Year - New
14
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
V Girls Flag Football vs St. Joseph (MD)
2026 - 2027 School Year - New
CTC Meeting 3 PM (LCC)
2026 - 2027 School Year - New
15
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
Executive Team Meeting 10 AM – 12 PM (MCR)
2026 - 2027 School Year - New
V Girls Volleyball @ Torrey Pines 5:30 PM (Torrey Pines)
2026 - 2027 School Year - New
V Girls Flag Football vs JSerra 6 PM (MD)
2026 - 2027 School Year - New
16
RED (Pair Day - Early Dismissal): B. 1, 3, 5, 7
2026 - 2027 School Year - New
Faculty/Staff Meeting 7:30 AM (LeVecke)
2026 - 2027 School Year - New
V Girls Golf @ Crean Lutheran 4 PM (Rancho San Joaquin)
2026 - 2027 School Year - New
17
GRAY (Mass Schedule): B. 2, 4, 6, 8
2026 - 2027 School Year - New
All School Mass - Mass of the Holy Spirit (MAC)
2026 - 2027 School Year - New
Monarch Professional Dress
2026 - 2027 School Year - New
Student Wellness Activity during Both Lunches (Shamrock Plaza)
2026 - 2027 School Year - New
V Boys Water Polo @ South Coast Tournament (Newport Harbor)
2026 - 2027 School Year - New
V Girls Flag Football vs Redlands East Valley (MD)
2026 - 2027 School Year - New
PAC Project Committee Weekly Update 8:30 AM – 9:30 AM (MCR)
2026 - 2027 School Year - New
Diocesan Learning Support Meeting 2:45 PM – 3:30 PM (Zoom)
2026 - 2027 School Year - New
V Girls Golf @ JSerra 3:30 PM (Mile Square GC)
2026 - 2027 School Year - New
V Girls Volleyball @ Bishop Gorman 6 PM (Bishop Gorman)
2026 - 2027 School Year - New
18
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
Current Freshman & New Student Tailgate (SA Bowl)
2026 - 2027 School Year - New
MANE Mentor Meeting during Upper Lunch (Library)
2026 - 2027 School Year - New
V Boys Water Polo @ South Coast Tournament (Newport Harbor)
2026 - 2027 School Year - New
V Cross Country @ Woodbridge Invitational (Great Park, Irvine)
2026 - 2027 School Year - New
V Girls Volleyball @ Durango Fall Classic (Las Vegas, NV)
2026 - 2027 School Year - New
V Football vs Bishop Gorman 7 PM (SA Bowl)
2026 - 2027 School Year - New
19
Class of 1990 Reunion (LeVecke)
2026 - 2027 School Year - New
V Boys Water Polo @ South Coast Tournament (Newport Harbor)
2026 - 2027 School Year - New
V Cross Country @ Woodbridge Invitational (Great Park, Irvine)
2026 - 2027 School Year - New
V Girls Flag Football @ Huntington Beach HS (Huntington Beach HS)
2026 - 2027 School Year - New
V Girls Volleyball @ Durango Fall Classic (Las Vegas, NV)
2026 - 2027 School Year - New
MD Unplugged 7 PM (Grotto)
2026 - 2027 School Year - New
20
21
FLEX DAY (8 AM - 2:30 PM)
2026 - 2027 School Year - New
CSF Sign-Ups (Online)
2026 - 2027 School Year - New
NHS Sign-Ups (Online)
2026 - 2027 School Year - New
Tentative Freshman Retreat Conference (Option #2) 8 AM – 2:10 PM (MD)
2026 - 2027 School Year - New
22
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
CSF Sign-Ups (Online)
2026 - 2027 School Year - New
NHS Sign-Ups (Online)
2026 - 2027 School Year - New
Executive Team Meeting 10 AM – 12 PM (MCR)
2026 - 2027 School Year - New
V Girls Golf @ Santa Margarita 3:30 PM (Mile Square GC)
2026 - 2027 School Year - New
College Athletics Overview 6 PM – 8 PM (Library/LCC/Rotunda)
2026 - 2027 School Year - New
V Girls Flag Football @ Santa Margarita 6 PM (Santa Margarita)
2026 - 2027 School Year - New
23
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
CSF Sign-Ups (Online)
2026 - 2027 School Year - New
NHS Sign-Ups (Online)
2026 - 2027 School Year - New
Department Meetings 7:30 AM
2026 - 2027 School Year - New
Coffee Chat (Counseling) 9 AM – 10 AM (Library)
2026 - 2027 School Year - New
V Boys Water Polo @ Santa Margarita 5 PM (Santa Margarita)
2026 - 2027 School Year - New
24
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
CSF Sign-Ups (Online)
2026 - 2027 School Year - New
NHS Sign-Ups (Online)
2026 - 2027 School Year - New
V Girls Flag Football @ Linfield Christian (Linfield Christian)
2026 - 2027 School Year - New
PAC Project Committee Weekly Update 8:30 AM – 9:30 AM (MCR)
2026 - 2027 School Year - New
Diocesan Technology Coordinator Meeting 2:30 PM – 3:30 PM (Zoom)
2026 - 2027 School Year - New
V Girls Volleyball vs Orange Lutheran 5:45 PM (MAC)
2026 - 2027 School Year - New
Play Production: These Shining Lives 7 PM (Phillips Hall, Santa Ana College)
2026 - 2027 School Year - New
25
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
CSF Sign-Ups (Online)
2026 - 2027 School Year - New
Mid-Autumn Festival during Both Lunches (Shamrock Plaza)
2026 - 2027 School Year - New
NHS Sign-Ups (Online)
2026 - 2027 School Year - New
Play Production: These Shining Lives 7 PM (Phillips Hall, Santa Ana College)
2026 - 2027 School Year - New
26
V Girls Flag Football @ Huntington Beach HS (Huntington Beach HS)
2026 - 2027 School Year - New
College Dance Day 9 AM – 3 PM (MAC)
2026 - 2027 School Year - New
Play Production: These Shining Lives 2 PM (Phillips Hall, Santa Ana College)
2026 - 2027 School Year - New
Play Production: These Shining Lives 7 PM (Phillips Hall, Santa Ana College)
2026 - 2027 School Year - New
27
Family Mass & Breakfast 9:30 AM (MAC & LeVecke)
2026 - 2027 School Year - New
28
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
V Girls Flag Football vs Yorba Linda HS (MD)
2026 - 2027 School Year - New
V Girls Golf @ Ayala Tournament 9 AM (Western Hills CC)
2026 - 2027 School Year - New
29
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
Special Senior Dress: 2027 Senior T-Shirt with Spirit Bottoms
2026 - 2027 School Year - New
Executive Team Meeting 10 AM – 12 PM (MCR)
2026 - 2027 School Year - New
V Girls Volleyball vs JSerra 5:45 PM (MAC)
2026 - 2027 School Year - New
V Girls Flag Football @ Orange Lutheran 6 PM (Orange Lutheran)
2026 - 2027 School Year - New
30
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
V Girls Golf @ Orange Lutheran 2 PM (Black Gold)
2026 - 2027 School Year - New
V Boys Water Polo @ JSerra 5 PM (JSerra)
2026 - 2027 School Year - New
V Girls Volleyball @ Santa Margarita 5:45 PM (Santa Margarita)
2026 - 2027 School Year - New
1
RED: B. 1, 3, 5, 7
2026 - 2027 School Year - New
V Girls Flag Football vs Beaumont (MD)
2026 - 2027 School Year - New
V Girls Volleyball @ Nike Tournament of Champions (Phoenix, AZ)
2026 - 2027 School Year - New
PAC Project Committee Weekly Update 8:30 AM – 9:30 AM (MCR)
2026 - 2027 School Year - New
2
GRAY: B. 2, 4, 6, 8
2026 - 2027 School Year - New
Concert Choir Retreat (TBD)
2026 - 2027 School Year - New
Grandparent's Day (Library)
2026 - 2027 School Year - New
MD Spirit Dress
2026 - 2027 School Year - New
V Girls Volleyball @ Nike Tournament of Champions (Phoenix, AZ)
2026 - 2027 School Year - New
V Boys Water Polo @ Sage Hill 5 PM (Sage Hill)
2026 - 2027 School Year - New
V Football @ Santa Margarita 7 PM (Santa Margarita)
2026 - 2027 School Year - New
3
Boo Bash (LeVecke)
2026 - 2027 School Year - New
Concert Choir Retreat (TBD)
2026 - 2027 School Year - New
SAT Testing (TBD)
2026 - 2027 School Year - New
V Cross Country @ Central Park Invitational (HB Central Park)
2026 - 2027 School Year - New
V Girls Flag Football @ Bellflower Tournament (Bellflower HS)
2026 - 2027 School Year - New
V Girls Volleyball @ Nike Tournament of Champions (Phoenix, AZ)
2026 - 2027 School Year - New