SEMESTER
1
- Calendar
- Student Timetables
- Start Up Info
click here
click here
- Daily Schedule
- Yellow School Buses
- Aspen Student / Parent Portal
- Student Supports
Wed., Sept. 2nd, 2026
IMPORTANT INFORMATION
Wed., Feb. 3rd, 2027
PA day - Wed. Sept. 2nd
PA day - Thurs. Sept. 3rd
WCDSB Holiday - Fri. Sept. 4th
Labour Day - Mon. Sept. 7th
Thanksgiving - Mon. Oct. 12th
Sat. Dec. 19th - Sun. Jan. 3rd
Christmas / New Year:
FIRST DAY of CLASSES: Tues., Sept. 8th
starts:
ends:
important info
announcements
Eagle Vision
buses
by D2L
Blueprint
Online (SCO)
Arrival
supports
Times
Appointment
procedures
course selection changes - sem. 1
Thursday, September 17th
Grade 9 BBQ
Tuesday, September 22, 2026
photos will be taken in Gym 3
STUDENT PHOTO DAY
grade 9s - period 1
grade 11s - period 2
grade 10s - period 3
grade 12s - period 4
Thursday, September 24
Grade 9 dance
Cafeteria
6:00 PM – 9:00 PM
click here
St. Mary's HS
Spirit Wear
orders are due by - TBA
note: link to order available soon
(above is a small sample of past available spirit wear items)
Wednesday, September 30, 2026
(along with uniform pants or shorts)
wear a purple t-shirt
Rowan's Law Day
click here
click here
Friday, October 9th
Senior Sunrise
Upper Field
7:00 AM – 8:40 AM
School and Community Supports
click here
- quick access / crisis supports
- other wellness support
- substance use support
- emergency food or shelter
- additional supports
Ontario Secondary School Literacy Test
OSSLT
Nov. 3, 2026 through Nov. 30, 2026, with individual student results reported by the end of January 2027
click here
more info?
(grade 10 literacy test)
FALL 2026
questions? - please come to room 221 (Student Success)
Friday, October 16, 2026
Academic Awards Night
location - TBA
time - TBA
RSVP - TBA
Convocation Photos
- FINAL Report Cards -
2025-2026 - Semester 2
will be available for pickup
in the main office
July 13th through July 16th
9 am - 2 pm
- FINAL Report Cards -
2025-2026 - Semester 2
will be available for pickup
in the main office
July 13th through July 16th
9 am - 2 pm
Math - Extra Help
semester 2
Tues. - P3 Lunch - Rm 111
Thurs. - P4 Lunch - Rm 111
note: this program continuing is dependant on student participation
come get some help with your math homework!
Thurs. - P3 Lunch - Rm 111
grade 9 and 10 students
Tues. - P4 Lunch - Rm 111
Explore St. Mary’s High School
School Calendar
- Tuesday, September 15, 2026
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S1 Course Change Request Closes
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- Thursday, September 17, 2026
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Grade 9 BBQ
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- Tuesday, September 22, 2026
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Picture Day
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- Wednesday, September 23, 2026
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Grade 12 in class Post-Secondary Presentations period 2 -
Grade 9 Guidance Meeting Period 1 AH
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- Thursday, September 24, 2026
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Grade 12 in class Post-Secondary Presentations period 2 -
Niner Dance
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- Friday, September 25, 2026
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Grade 12 in class Post-Secondary Presentations period 2, LSR for Students with Spare
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- Wednesday, September 30, 2026
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National Day for Truth and Reconciliation - Orange Shirt Day -
Rowan's Day
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- Thursday, October 1, 2026
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SAC Retreat Camp Kintail
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- Friday, October 2, 2026
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SAC Retreat Camp Kintail -
Custodial Workers Day
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- Monday, October 5, 2026
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World Teacher Day
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- Tuesday, October 6, 2026
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- Wednesday, October 7, 2026
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Opening Assembly
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- Thursday, October 8, 2026
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Opening Liturgy -
Scholarship Presentation Pd 5 LSR
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- Friday, October 9, 2026
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Senior Sunrise
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- Monday, October 12, 2026
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Thanksgiving
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- Tuesday, October 13, 2026
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- Thursday, October 15, 2026
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Academic Awards Night
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- Friday, October 16, 2026
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Library Technicians Day
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- Tuesday, October 20, 2026
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IEP Distribution
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- Wednesday, October 21, 2026
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Post Secondary Fair
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- Thursday, October 22, 2026
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National Bus Drivers Day -
Progress Reports
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- Friday, October 23, 2026
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Progress Reports
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- Monday, October 26, 2026
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PA Day
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- Tuesday, October 27, 2026
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Mid-Term Report Entry Opens
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- Thursday, October 29, 2026
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Parent/Student/Teacher Conferences
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- Tuesday, November 3, 2026
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- Wednesday, November 4, 2026
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Take Our Kids To Work Day
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- Friday, November 6, 2026
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Photo Retake Day in Chapel -
RAK Day
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- Tuesday, November 10, 2026
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- Wednesday, November 11, 2026
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Remembrance Day -
Term 2 Begins 2nd Half Civic/Careers
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- Monday, November 16, 2026
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- Tuesday, November 17, 2026
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- Wednesday, November 18, 2026
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Canadian Math Contest Pd 1 & 2
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- Friday, November 20, 2026
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- Saturday, November 21, 2026
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Guelph Grotto Gym 3
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- Sunday, November 22, 2026
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Guelph Grotto Gym 3
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- Monday, November 23, 2026
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Guelph Grotto Gym 3
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- Tuesday, November 24, 2026
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Guelph Grotto Gym 3 -
Grade 8 Parent Night
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- Wednesday, November 25, 2026
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Guelph Grotto Gym 3
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- Friday, November 27, 2026
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Report Distribution Pd1
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- Saturday, November 28, 2026
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hold gyms for setup
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- Sunday, November 29, 2026
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hold gyms for setup
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- Monday, November 30, 2026
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Guelph Grotto Gym 3
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- Tuesday, December 1, 2026
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Guelph Grotto Gym 3
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- Wednesday, December 2, 2026
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Guelph Grotto Gym 3
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- Thursday, December 3, 2026
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Guelph Grotto Gym 3 -
Community Christmas Dinner
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- Friday, December 4, 2026
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Full Disclosure -
Hold Gyms
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- Saturday, December 5, 2026
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Hold Gyms
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- Sunday, December 6, 2026
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Hold Gyms
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- Monday, December 7, 2026
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Grad Photos in the LSR
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- Tuesday, December 8, 2026
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Grad Photos in the LSR
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- Wednesday, December 9, 2026
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Grad Photos in the LSR
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- Thursday, December 10, 2026
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Grad Photos in the LSR
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- Friday, December 11, 2026
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Grad Photos in the LSR -
SMH Basketball Tournament
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- Saturday, December 12, 2026
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SMH Basketball Tournament
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