Mar 13, 2020 11:55 AM
11:55 AM
- 12:40 PM
Mar 17, 2020 12:00 AM
12:00 AM
- 11:59 PM
Wear all your St. Patrick's Day gear or come in all green!
Mar 19, 2020 01:00 PM
1:00 PM
- 3:00 PM
Grade 6/7/8 Science Fair
Mar 20, 2020 12:00 AM
12:00 AM
- 11:59 PM
Mar 27, 2020 12:00 AM
12:00 AM
- 11:59 PM
Apr 10, 2020 12:00 AM
12:00 AM
- 11:59 PM
Apr 24, 2020 12:00 AM
12:00 AM
- 11:59 PM
Pick two, three or four of your friends and match outfits. Try and confuse the heck out of your teachers!
May 08, 2020 12:00 AM
12:00 AM
- 11:59 PM
May 15, 2020 12:00 AM
12:00 AM
- 11:59 PM
May 18, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jun 11, 2020 12:00 AM
12:00 AM
- 11:59 PM
Wear your best, ugliest or funkiest socks to school. Sandals are permitted!
Jun 11, 2020 09:00 AM
9:00 AM
- 2:30 PM
Jun 12, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jun 12, 2020 09:00 AM
9:00 AM
- 2:30 PM
Jun 16, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jun 22, 2020 09:00 AM
9:00 AM
- 12:00 PM
Last Day to Return Library Books
Jun 25, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jun 25, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jun 26, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 07, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 08, 2020 12:00 AM
12:00 AM
- 11:59 PM
Students with the last names A - L will attend school on September 8th and 10th.
Students with the last names M - Z will attend school on September 9th and 11th
Sep 08, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 09, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 10, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 11, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 14, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 14, 2020 12:00 AM
12:00 AM
- 11:59 PM
Please bring toonies or any other monetary donation for our annual Terry Fox fundraiser
Sep 15, 2020 07:00 PM
7:00 PM
- 9:00 PM
Sep 18, 2020 12:00 AM
12:00 AM
- 11:59 PM
Students can come to school wearing their St. Mary Sentinels spirit wear and/or our school colours of black, grey, and blue. Please also encourage them to wear their RCSD mask and/or their St. Mary Buff on this day. Let's show our school spirit!
Sep 25, 2020 12:00 AM
12:00 AM
- 11:59 PM
Sep 30, 2020 12:00 AM
12:00 AM
- 11:59 PM
Oct 12, 2020 12:00 AM
12:00 AM
- 11:59 PM
Oct 13, 2020 09:00 AM
9:00 AM
- 3:00 PM
Oct 26, 2020 12:00 AM
12:00 AM
- 11:59 PM
Nov 06, 2020 12:00 AM
12:00 AM
- 11:59 PM
Nov 10, 2020 12:00 AM
12:00 AM
- 11:59 PM
Nov 11, 2020 12:00 AM
12:00 AM
- 11:59 PM
Nov 17, 2020 12:00 AM
12:00 AM
- 11:59 PM
Nov 25, 2020 04:00 PM
4:00 PM
- 8:00 PM
Nov 26, 2020 04:00 PM
4:00 PM
- 8:00 PM
Nov 27, 2020 12:00 AM
12:00 AM
- 11:59 PM
Dec 10, 2020 12:00 AM
12:00 AM
- 11:59 PM
Dec 11, 2020 12:00 AM
12:00 AM
- 11:59 PM
Dec 21, 2020 12:00 AM
12:00 AM
- 11:59 PM
Dec 25, 2020 12:00 AM
12:00 AM
- 11:59 PM
Jan 01, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jan 04, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jan 15, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jan 29, 2021 12:00 AM
12:00 AM
- 11:59 PM
Feb 05, 2021 12:00 AM
12:00 AM
- 11:59 PM
Feb 11, 2021 12:00 AM
12:00 AM
- 11:59 PM
Please join us for our virtual “Becoming a Titan” Gr. 8 Parent presentation on Thursday, February 11th. This informative presentation will cover everything you need to know about the registration process, our programs, activities and becoming a student at Archbishop M.C. O’Neill Catholic High School! A virtual school tour will...
Feb 12, 2021 12:00 AM
12:00 AM
- 11:59 PM
Feb 15, 2021 12:00 AM
12:00 AM
- 11:59 PM
Feb 15, 2021 12:00 AM
12:00 AM
- 11:59 PM
Feb 26, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 04, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 05, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 11, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 12, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 17, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 17, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 19, 2021 12:00 AM
12:00 AM
- 11:59 PM
Mar 24, 2021 04:00 PM
4:00 PM
- 7:45 PM
Mar 25, 2021 04:00 PM
4:00 PM
- 7:45 PM
Mar 26, 2021 12:00 AM
12:00 AM
- 11:59 PM
Apr 02, 2021 12:00 AM
12:00 AM
- 11:59 PM
Apr 04, 2021 12:00 AM
12:00 AM
- 11:59 PM
Apr 21, 2021 12:00 AM
12:00 AM
- 11:59 PM
Apr 22, 2021 12:00 AM
12:00 AM
- 11:59 PM
Apr 30, 2021 12:00 AM
12:00 AM
- 11:59 PM
May 21, 2021 12:00 AM
12:00 AM
- 11:59 PM
May 24, 2021 12:00 AM
12:00 AM
- 11:59 PM
May 28, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jun 11, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jun 18, 2021 12:00 AM
12:00 AM
- 11:59 PM
Jun 28, 2021 12:00 AM
12:00 AM
- 11:59 PM