Calendars
Navigate Calendars Below
To toggle between Elementary and High School Calendars, click on "+ Mater Dei Calendars," make your selections, then click "Update Calendar."
Please Refer to the Color Code for Calendar:
August 2026
Monday
Tuesday
Wednesday
Thursday
Friday
Sat/Sun
Monday,
July
27
Tuesday,
July
28
Wednesday,
July
29
Thursday,
July
30
Friday,
July
31
Saturday,
August
1
Sunday,
August
2
Monday,
August
3
Faculty Report to Campus
All Day
Faculty Report to Campus
All Day
Link Crew Welcome
All Day
Link Crew Welcome
All Day
Regular School Hours resume (7:30-4pm)
All Day
Regular School Hours resume (7:30-4pm)
All Day
Tuesday,
August
4
High School Calendar
9th Grade & Transfer Orientation
-
High School Calendar
10th Grade Orientation
-
Wednesday,
August
5
High School Calendar
11th Grade Orientation
-
High School Calendar
12th Grade Orientation
-
Thursday,
August
6
Friday,
August
7
Elementary Calendar
Back to School Night TK-5th. (Theater)
-
Saturday,
August
8
MDCHS Athletics Calendar
Flag Football, Girls JV @ Olympian
-
1925 Magdalena Ave, Chula Vista, California, 91913, United States
MDCHS Athletics Calendar
Flag Football, Girls VR @ Olympian
-
1925 Magdalena Ave, Chula Vista, California, 91913, United States
Sunday,
August
9
Monday,
August
10
First Day of School
All Day
First Day of School
All Day
1-2-3
All Day
1-2-3
All Day
Elementary Calendar
MDCE Middle School Back to School Night. (Theater)
-
Tuesday,
August
11
First Day of School 26-27
All Day
First Day of School 26-27
All Day
Minimun Day
All Day
Minimun Day
All Day
Start of 1st Quarter
All Day
Start of 1st Quarter
All Day
HR-4-5-7-6
All Day
HR-4-5-7-6
All Day
Wednesday,
August
12
Minimum Day
All Day
Minimum Day
All Day
HR-3-2-7-1
All Day
HR-3-2-7-1
All Day
Thursday,
August
13
MInimum Day
All Day
MInimum Day
All Day
HR-6-5-7-4
All Day
HR-6-5-7-4
All Day
MDCHS Athletics Calendar
Football (11 person) JV @ El Camino
-
High School Calendar
Back to School Night
-
MDCHS Athletics Calendar
Football (11 person) VR @ El Camino
-
400 Rancho Del Oro Dr, Oceanside, California, 92057, United States
Friday,
August
14
Golf Tournament
All Day
Golf Tournament
All Day
Offices & School Closed
All Day
Offices & School Closed
All Day
Minimum Day
All Day
Minimum Day
All Day
Saturday,
August
15
Sunday,
August
16
Monday,
August
17
1-2-3
All Day
1-2-3
All Day
Enrichment Starts Grades TK-5
All Day
Enrichment Starts Grades TK-5
All Day
MDCHS Athletics Calendar
Flag Football, Girls JV vs Helix
-
Tuesday,
August
18
ASB Induction
All Day
ASB Induction
All Day
HR-4-5-7-6
All Day
HR-4-5-7-6
All Day
MDCE Mass (Parish)
All Day
MDCE Mass (Parish)
All Day
MDCHS Athletics Calendar
Water Polo, Boys VR @ Bonita Vista
-
MDCHS Athletics Calendar
Volleyball, Girls JV vs Grossmont
-
MDCHS Athletics Calendar
Volleyball, Girls NV vs Grossmont
-
MDCHS Athletics Calendar
Water Polo, Boys JV @ Bonita Vista
-
MDCHS Athletics Calendar
Volleyball, Girls VR vs Grossmont
-
Wednesday,
August
19
HR-3-2-7-1
All Day
HR-3-2-7-1
All Day
ALL School Mass
All Day
ALL School Mass
All Day
Mass of the Holy Spirit (Gym)
All Day
Mass of the Holy Spirit (Gym)
All Day
MDCHS Athletics Calendar
Flag Football, Girls JV vs La Costa Canyon
-
MDCHS Athletics Calendar
Flag Football, Girls VR vs La Costa Canyon
-
Thursday,
August
20
All School Mass
All Day
All School Mass
All Day
6-HR-Mass-5-7-4
All Day
6-HR-Mass-5-7-4
All Day
MDCHS Athletics Calendar
Football (11 person) NV @ Del Norte
-
Friday,
August
21
Minimum Day
All Day
Minimum Day
All Day
1-2-3
All Day
1-2-3
All Day
MDCHS Athletics Calendar
Football (11 person) JV @ Del Norte
-
16601 Nighthawk Ln, San Diego, California, 92127, United States
High School Calendar
Football @ Del Norte
-
MDCHS Athletics Calendar
Football (11 person) VR @ Del Norte
-
16601 Nighthawk Ln, San Diego, California, 92127, United States
Saturday,
August
22
Sunday,
August
23
Back to School Spirit Week 8/24-8?28
All Day
Back to School Spirit Week 8/24-8?28
All Day
Monday,
August
24
4-5-6
All Day
4-5-6
All Day
Enrichment Starts Grades 6-8
All Day
Enrichment Starts Grades 6-8
All Day
Tuesday,
August
25
School Pictures 26-27 (Theater Lobby)
All Day
School Pictures 26-27 (Theater Lobby)
All Day
HR-3-2-7-1
All Day
HR-3-2-7-1
All Day
Wednesday,
August
26
HR-6-5-7-4
All Day
HR-6-5-7-4
All Day
High School Calendar
College Knowledge Night for Seniors
-
MDCHS Athletics Calendar
Flag Football, Girls VR @ Francis Parker
-
6501 Linda Vista Rd, San Diego, California, 92111, United States
Thursday,
August
27
HR-1-2-7-3
All Day
HR-1-2-7-3
All Day
Football (11 person) NV vs Granite Hills
All Day
Football (11 person) NV vs Granite Hills
All Day
MDCHS Athletics Calendar
Water Polo, Boys VR vs High Tech SD
-
MDCHS Athletics Calendar
Volleyball, Girls JV vs Coronado
-
MDCHS Athletics Calendar
Volleyball, Girls NV vs Coronado
-
MDCHS Athletics Calendar
Water Polo, Boys JV vs High Tech SD
-
MDCHS Athletics Calendar
Volleyball, Girls VR vs Coronado
-
Friday,
August
28
Volleyball, Girls NV @ - Sweetwater Tournament
All Day
Volleyball, Girls NV @ - Sweetwater Tournament
All Day
Minimum Day
All Day
Minimum Day
All Day
4-5-6-RALLY
All Day
4-5-6-RALLY
All Day
Volleyball, Girls JV @ - Sweetwater Tournament
All Day
Volleyball, Girls JV @ - Sweetwater Tournament
All Day
MDCHS Athletics Calendar
Cross Country, Boys VR @ - Ian Cumming/Tim Latham Invitational
-
4548 Sweetwater Road, Chula Vista, California, 91902
MDCHS Athletics Calendar
Cross Country, Girls VR @ - Ian Cumming/Tim Latham Invitational
-
4548 Sweetwater Road, Chula Vista, California, 91902
MDCHS Athletics Calendar
Football (11 person) JV vs Granite Hills
-
High School Calendar
Football vs. Granite Hills
-
MDCHS Athletics Calendar
Football (11 person) VR vs Granite Hills
-
Saturday,
August
29
Volleyball, Girls JV @ - Sweetwater Tournament
All Day
Volleyball, Girls JV @ - Sweetwater Tournament
All Day
Volleyball, Girls NV @ - Sweetwater Tournament
All Day
Volleyball, Girls NV @ - Sweetwater Tournament
All Day
MDCHS Athletics Calendar
Water Polo, Boys VR vs Classical Academy
-
MDCHS Athletics Calendar
Water Polo, Boys JV vs Classical Academy
-
MDCHS Athletics Calendar
Water Polo, Boys VR vs Sage Creek
-
MDCHS Athletics Calendar
Water Polo, Boys JV vs Sage Creek
-
Sunday,
August
30
Monday,
August
31
3-2-1
All Day
3-2-1
All Day
Elementary Calendar
Parent Ambassadors Workshop (Aquinas)
-
MDCHS Athletics Calendar
Flag Football, Girls JV @ West Hills
-
8756 Mast Blvd, Santee, California, 92071, United States
MDCHS Athletics Calendar
Flag Football, Girls VR @ West Hills
-
8756 Mast Blvd, Santee, California, 92071, United States
Tuesday,
September
1
All School Emergency Drill
All Day
All School Emergency Drill
All Day
Parent Academy 5pm-7pm (Lecture Hall)
All Day
Parent Academy 5pm-7pm (Lecture Hall)
All Day
HR-6-5-7-4
All Day
HR-6-5-7-4
All Day
MDCHS Athletics Calendar
Tennis, Girls VR vs Point Loma
-
Wednesday,
September
2
Picture Make-up Day (Theater Lobby)
All Day
Picture Make-up Day (Theater Lobby)
All Day
HR-1-2-7-3
All Day
HR-1-2-7-3
All Day
MDCHS Athletics Calendar
Flag Football, Girls JV @ University City
-
MDCHS Athletics Calendar
Volleyball, Girls JV vs Mission Bay
-
MDCHS Athletics Calendar
Volleyball, Girls NV vs Mission Bay
-
MDCHS Athletics Calendar
Flag Football, Girls VR @ University City
-
MDCHS Athletics Calendar
Volleyball, Girls VR vs Mission Bay
-
Thursday,
September
3
HR-4-5-7-6
All Day
HR-4-5-7-6
All Day
MDCHS Athletics Calendar
Football (11 person) NV @ Point Loma
-
MDCHS Athletics Calendar
Flag Football, Girls JV @ Logan Memorial
-
2875 Ocean View Blvd, San Diego, California, 90066, United States
MDCHS Athletics Calendar
Water Polo, Boys JV @ Monte Vista/Spring Valley
-
3230 Sweetwater Springs Blvd, Spring Valley, California, 91977, United States
MDCHS Athletics Calendar
Water Polo, Boys VR @ Monte Vista/Spring Valley
-
3230 Sweetwater Springs Blvd, Spring Valley, California, 91977, United States
MDCHS Athletics Calendar
Flag Football, Girls VR @ Logan Memorial
-
2875 Ocean View Blvd, San Diego, California, 90066, United States
Friday,
September
4
3-2-1
All Day
3-2-1
All Day
Volleyball, Girls VR @ - Sweetwater Tournament
All Day
Volleyball, Girls VR @ - Sweetwater Tournament
All Day
Blood Drive
All Day
Blood Drive
All Day
MInimum Day
All Day
MInimum Day
All Day
Cornhole Tournament
All Day
Cornhole Tournament
All Day
MDCHS Athletics Calendar
Water Polo, Boys VR vs
-
High School Calendar
Football vs. Bishop O'Dowd
-
MDCHS Athletics Calendar
Football (11 person) VR vs Bishop O'Dowd
-
Saturday,
September
5
Water Polo, Boys VR vs
All Day
Water Polo, Boys VR vs
All Day
Volleyball, Girls VR @ - Sweetwater Tournament
All Day
Volleyball, Girls VR @ - Sweetwater Tournament
All Day
MDCHS Athletics Calendar
Cross Country, Boys VR @ - CCA Ravens XC Invitational
-
4548 Sweetwater Road, Chula Vista, California, 91902
MDCHS Athletics Calendar
Cross Country, Girls VR @ - CCA Ravens XC Invitational
-
4548 Sweetwater Road, Chula Vista, California, 91902
Sunday,
September
6