| August 16 (4:00pm) - September 3 (8:00am) | Brightspace shutdown |
| September 2 | Labour Day |
| September 3 - 20 | Week of Welcome (WoW) events (province wide) |
| September 20 | Tuition pre-authorized payment due (on or prior to this date) |
| September 27 | Bursary application due (on or prior to this date) |
| September 27 | Tuition due |
| September 30 | National Day for Truth and Reconciliation |
| October 1 | HCOS Finance Office begins accepting invoices for Lessons and Activities |
| October 1 - 31 | Foundation Skills Assessments (FSAs) - Grades 4 & 7 |
| October 14 | Thanksgiving Day |
| October 28- November 5 | Numeracy and Literacy Assessments - Grades 10-12 |
| November 11 | Remembrance Day |
| December 20 (4:00pm) - December 30 (8:00am) | Brightspace shutdown |
| December 23 - January 1 | Christmas Break (HCOS offices closed) |
| December 23 - January 3 | Suggested Christmas Break for Home Learners |
| January 13-24 | Numeracy and Literacy Assessments - Grades 10-12 |
| January 13 - January 31 | Re-enrollment window (guaranteed) |
| January 13 | New applications open |
| January 15 - February 12 | Read for Change |
| January 31 (4:00pm) | Report cards published |
| February 12 | New student applications begin processing |
| March 3-7 | Grad Program Orientation Week |
| March 11 - 14 & 15 | Heritage Theatre Show Week (Kelowna) |
| March 14 (4:00pm) - March 21 (4:00pm) | Brightspace shutdown |
| March 17 - March 28 | Spring Break |
| April 1 | Learning Groups PO use deadline |
| April 15 | Current school year PO numbers expire (last day for curriculum and lesson purchases) |
| April 7-11 | Numeracy and Literacy Assessments - Grades 10 - 12 |
| April 28 | Next school year PO numbers issued in Encom |
| April 28 | HCOS Connect - Interior (Kelowna) |
| April 29 | HCOS Connect - North (Fort St. John) |
| April 30 | HCOS Connect - Lower Mainland (Abbotsford) |
| May 1 | HCOS Connect - Island (Nanaimo) |
| May 5 (TBC) | Grad courses without an active date, and any funding associated with those courses, are withdrawn automatically |
| June 2-13 | Numeracy and Literacy Assessments - Grades 10-12 |
| June 6 | Graduation Ceremony and Banquet (Langley) |
| June 14 (9:00am) | Final submission deadline for all middle school online courses as well as Grad synchronous online courses |
| June 20 | Graduation Ceremony and Banquet (Kelowna) |
| June 27 (4:00pm) | Report cards published |
| August 15 (4:00pm) - September 2 (8:00am) | Brightspace shutdown |