SEMESTER
1
- Calendar
- Student Timetables
- Start Up Info
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
FIRST DAY of CLASSES: Tues., Sept. 8th
starts:
ends:
course selection changes - sem. 1
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)
School and Community Supports
click here
- quick access / crisis supports
- other wellness support
- substance use support
- emergency food or shelter
- additional supports
Final Report Cards
Available for pickup in the main office
on July 13th through July 16th from
9:00am to 2:00pm
Explore St. Mary’s High School
School Calendar
- Thursday, September 3, 2026
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PD Day
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- Tuesday, September 8, 2026
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First Day of School - Full Uniform -
Grade 9 Assembly
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- Friday, September 11, 2026
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Club and Teams Fair
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- 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
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