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Grade 9 Day will take place Tuesday, September 8th 
9:30 AM - 3:30 PM
Welcome to the Sinclair Secondary School Family!
On behalf of the Administration Team, it is an absolute privilege to officially welcome all of our new and returning families to the Sinclair Secondary School community!
We are thrilled to embark on another year dedicated to student achievement, community pride, and a deep sense of togetherness. To ensure a smooth transition, we have staggered...
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Welcome Back to all grades.
Bell Times:
9:30 AM - 10:50 AM - Period 1
10:55 AM - 12:10 PM - Period 2
LUNCH (12:10-12:55)
12:55 PM - 2:10 PM - Period 3
2:15 PM - 3:30 PM - Period 4

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This message serves as a reminder of the Town of Whitby by-law regarding student use of e-bikes and e-scooters. Please see the attachment or visit the link below for details:
E-scooter and E-bike By-law | Town of Whitby
 
Under a  Town of Whitby bylaw ,  children under the age of 16 are not permitted to operate e-bikes or e-scooters .
These devices are classified as motorized mobility devices and are subject to local age and safety restrictions.
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Re: Upcoming Final Exams for all students
Dear Parents and Caregivers: 
We ask that you kindly book any trips/vacations/appointments/summer camps at the end of the exam period.
Grade 12 students will be writing their final exams from Monday, June 15 th  to Thursday June 18 th , 2026.  See schedule below for Grade 12:
June 15 th  – Period 2 exam
June 16 th  – Period 1 exam
June 17 th  – Period...
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