Home - R.G. Sinclair Public School

What's New at R.G. Sinclair Public School

- Lunch Box Orders Now Open -

Lunch Box orders are now open! First delivery will be Tuesday Sept 29, 2026. We’re pleased to share the How To Order Guide, which provides detailed ordering information and instructions for parents/guardians. Orders can be placed on lunchbox's website www.lunchboxorders.net

2026-09-23 14:50:30.361 +0000 UTC

The BUZZ - Oct 19th

Flags will be lowered at Sinclair PS and all LDSB schools to mark the tragedy that occurred at Canadian Forces Base Wainwright, Alberta on October 17th. Our thoughts are with the community and their families at this unimaginable time.

2026-10-20 13:28:22.497 +0000 UTC

The BUZZ - Oct 5th

Upcoming Construction on Crerar Blvd The following message was happily received from the City of Kingston at the end of last week. Based on the current project schedule, construction activities are anticipated to advance to the area near the school around March 2027.

2026-10-06 18:29:33.397 +0000 UTC

Upcoming Events

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Webinar: EQAO Math Night for Parents and Guardians

Webinar: EQAO Literacy Session for Families - Focus on Reading (Grades 3, 6, and OSSLT)

P.A. Day - No Classes for Students

Webinar: EQAO Literacy Session for Families - Focus on Writing (Grades 3, 6, and OSSLT)

Winter Break

Webinar: EQAO Math Night for Parents and Guardians

Webinar: EQAO Literacy Session for Families - Focus on Reading (Grades 3, 6, and OSSLT)

P.A. Day - No Classes for Students

Webinar: EQAO Literacy Session for Families - Focus on Writing (Grades 3, 6, and OSSLT)

Winter Break

P.A. Day - No Classes for Students

P.A. Day - No Classes for Students

Victoria Day

P.A. Day - No Classes for Students

Ontario Day

Last Day of School

P.A. Day - No Classes for Students

About Our School

Welcome to R.G. Sinclair Public School. Our school, which serves students in Kindergarten to Grade 8, opened in 1950 in the growing community of Reddendale. It was named after chemistry professor and community volunteer Robert Gordon Sinclair who was once chair of the Kingston Township School Board.

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What's New at the District

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Preparing for Winter-Related Bus Delays and Cancellations 2026-2027

During the potential inclement weather months (roughly early November to early April), our transportation partner, Tri-Board Student Transportation Services (Tri-Board), works closely with their school bus companies to determine if it is safe to offer school transportation on inclement weather days.

2026-10-27 19:37:25.445 +0000 UTC

All LDSB Flags at Half-Mast to Mark Canadian Forces Base Wainwright Tragedy

Flags at Limestone District School Board sites will be flown at half-mast until further notice to mark the tragedy that occurred at Canadian Forces Base Wainwright, Alberta, on October 17, 2026.

2026-10-20 17:18:48.406 +0000 UTC

Artificial Intelligence in Limestone

In the Limestone District School Board, we are committed to helping students develop the skills and confidence they need to navigate today’s digital world.

2026-10-05 13:57:23.657 +0000 UTC

Land Acknowledgement

The Limestone District School Board is situated on the traditional territories of the Anishinaabek and Haudenosaunee. We acknowledge their enduring presence on this land, as well as the presence of Métis, Inuit, and other First Nations from across Turtle Island. We honour their culture and celebrate their commitment to this land.