School Year Calendars
School year calendars are approved by the Ministry of Education typically around the 3rd week of May of the preceding school year.
You may visit the Ministry of Education to view a full list of school holidays set out by the Ministry for the next five years. Our dates typically conform to these guidelines but we will not be able to confirm until we receive Ministry approval. All calendars will be posted here once approval is received.
2025-2026 School Year Calendars
- Elementary regular
- Elementary modified
- Secondary regular
- Secondary modified
- Summary of Scheduled Statutory Holidays and PA Days
- 2025-2026 Recognized Dates of Significance
For more information on the 2025-2026 school year, please visit the school year information and frequently asked questions page on this website.
Professional Activity and Provincial Priority Days
Throughout the school year, there are days where school board staff are engaged in professional learning through Provincial Priority (PD) Days and Professional Activity (PA) days. The 2025-2026 professional learning activity days are listed below and details will be updated 14 days before the PA/PD day takes place.| August 28 - Provincial Priority Day (PD) |
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Who: all schools Date: August 28, 2025 Length: Full Day Topic: Student Achievement and Keeping Schools Safe Entity Hosting: Elementary and Secondary Schools (all schools) Presenter(s)/Facilitator(s): School Administrators/board staff Description: Focused day of professional learning and collaboration:
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| October 20 – Provincial Priority Day (PD) |
| Who: all schools (elementary modified calendar schools excluded) Date: October 20, 2025 Length: Full Day Topic: Tackling Racism: Precision and Anti-Oppression at the Foundation of Student Learning Entity Hosting: Elementary and Secondary Schools Presenter(s)/Facilitator(s): School Administrators and Leads
Description: The focus of this Principal led professional development day is to co-develop the School Achievement Plan with staff leveraging UDL and the DDSB Anti-Oppression Strategy. School teams will engage in collaborative opportunities to leverage resources (DDSB, Ontario College of Teachers and Ontario Human Rights Commission) in the throughline of the School Achievement to the individualized experience and achievement program planning for all students. The learning goals for the day will be framed through a cycle of connection, reflection, action, and planning activities as teams analyze school specific data to refine commitments and strategies supporting student achievement and experience. |
| October 27 - Provincial Priority Day (PD) |
| Who: elementary modified calendar schools only Date: October 27, 2025 Length: Full Day Topic: Tackling Racism: Precision and Anti-Oppression at the Foundation of Student Learning Entity Hosting: Modified Calendar Elementary Schools Presenter(s)/Facilitator(s): School Administrators and Leads
Description: The focus of this Principal led professional development day is to co-develop the School Achievement Plan with staff leveraging UDL and the DDSB Anti-Oppression Strategy. School teams will engage in collaborative opportunities to leverage resources (DDSB, Ontario College of Teachers and Ontario Human Rights Commission) in the throughline of the School Achievement to the individualized experience and achievement program planning for all students. The learning goals for the day will be framed through a cycle of connection, reflection, action, and planning activities as teams analyze school specific data to refine commitments and strategies supporting student achievement and experience. |
| November 14 – Professional Activity Day (PA) |
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Who: all schools Elementary schools - After school and into the evening of Thursday November 13th and the morning of Friday November 14th Elementary school staff will be engaging with parents/caregivers in prearranged conference times to discuss student progress. Secondary schools - Our upcoming Professional Development (PD) day, "Precision Planning: From Data to Individual Student Design," focuses on strengthening our ability to create precise, evidence-based strategies that support each & every student. The morning will focus on student engagement, attendance, and achievement with all staff engaging in a collective refining of the School Achievement Plan (SAP). In the afternoon staff participate in personalized breakout sessions (Precision Planning in Action) with a foundation of Universal Design for Learning (UDL) linking student success and engagement strategies (reference: Anti-Oppression Strategy, 30 Credits My Way and Attendance & Engagement Strategy). |
| January 23 – Professional Activity Day (PA) |
| Who: all elementary schools Date: January 23, 2026 Length: Full Day Topic: Elementary Educators - Entity Hosting: Elementary Schools Presenter(s)/Facilitator(s): Description: |
| February 13 – Professional Activity Day (PA) |
| Who: all secondary schools Date: February 13, 2026 Length: Full Day Topic: Entity Hosting: Secondary Schools Presenter(s)/Facilitator(s): Description: |
| April 17 – Provincial Priority Day (PD) |
| Who: all schools Date: April 17, 2026 Length: Full day Topic: Entity Hosting: Elementary and Secondary Schools (all schools) Presenter(s)/Facilitator(s): Description: |
| June 5 – Professional Activity Day (PA) |
| Who: all elementary schools Date: June 5, 2026 Length: Full Day Topic: Entity Hosting: Elementary schools Presenter(s)/Facilitator(s): N/A Description: |
| June 25 – Professional Activity Day (PA) |
| Who: all secondary schools Date: June 25, 2025 Length: Full Day Topic: Entity Hosting: Secondary Schools Presenter(s)/Facilitator(s): Description: |
| June 26 – Professional Activity Day (PA) |
| Who: all schools Date: June 26, 2025 Length: Full Day Topic: Entity Hosting: Elementary and Secondary Schools (all schools) Presenter(s)/Facilitator(s): Description: |
