| August 15 (4:00pm) - September 2 (8:00am) | Brightspace shutdown |
| September 1 | Labour Day |
| September 2 - 19 | Week of Welcome (WoW) events (province wide) |
| September 19 | Tuition pre-authorized payment due (on or prior to this date) |
| September 29 | Bursary application due (on or prior to this date) |
| September 29 | 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 13 | Thanksgiving Day |
| October 29 | Student Learning Plan - Parent Sign Off |
| November 3-7 | Numeracy and Literacy Assessments - Grades 10-12 |
| November 11 | Remembrance Day |
| December 2 | Giving Tuesday |
| December 19 (4:00pm) - December 29 (8:00am) | Brightspace shutdown |
| December 24 - January 2 | Christmas Break (HCOS offices closed) |
| December 22 - January 2 | Suggested Christmas Break for Home Learners |
| January 12-23 | Numeracy and Literacy Assessments - Grades 10-12 |
| January 12 - January 30 | Re-enrollment window (guaranteed) |
| January 12 | New applications open |
| January 14 - February 11 | Read for Change |
| January 30 (4:00pm) | Report cards published |
| February 2 | New student applications begin processing |
| February 16 | Family Day |
| March 2-6 | Grad Program Orientation Week |
| March 10 - 13 & 14 | Heritage Theatre Show Week (Kelowna) |
| March 13 (4:00pm) - March 20 (4:00pm) | Brightspace shutdown |
| March 16 - March 27 | Spring Break |
| April 1 | Learning Groups PO use deadline |
| April 3 | Good Friday |
| April 6 | Easter Monday |
| April 15 | Current school year PO numbers expire (last day for curriculum and lesson purchases) |
| April 20-24 | Numeracy and Literacy Assessments - Grades 10 - 12 |
| April 27 | Next school year PO numbers issued in Encom |
| April 27 | HCOS Connect - Interior (Kelowna) |
| April 28 | HCOS Connect - North (Prince George) |
| April 29 | HCOS Connect - Lower Mainland (Abbotsford) |
| April 30 | HCOS Connect - Island (Nanaimo) |
| TBD | Grade 10 to 12 courses without an active date, and any funding associated with those courses, are withdrawn automatically |
| May 15 | Student Service Award Nominations Due |
| May 18 | Victoria Day |
| June 15-19 | Numeracy and Literacy Assessments - Grades 10-12 |
| June 5 | Graduation Ceremony and Banquet (Langley) |
| June 12 | Graduation Ceremony and Banquet (Kelowna) |
| June 12 (9:00am) | Final submission deadline for all Middle School online courses as well as Grade 10 to 12 synchronous online courses |
| June 26 (4:00pm) | Report cards published |
| August 21 (4:00pm) - September 8 (8:00am) | Brightspace shutdown |