Works in collaboration with school service centres and school boards on the island of Montréal

What’s new

Canada Post Labour Dispute

To avoid any payment delays, we kindly ask that you make your school tax payment directly through your financial institution (at the ATM, online, or via their service counter).

Please do not send cheques by mail during the dispute. Thank you for your cooperation!

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2025-2026 School Tax: 2^nd installment due October 31 (if applicable)

The 2025-2026 school tax bills were mailed on July 2, 2025. The payment due dates are as follows:

• 1^st installment: August 4, 2025
• 2^nd installment (if applicable): October 31, 2025

Please ensure that payments are made by the due dates to avoid interest charges.

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Job openings / General application

Interested in working at CGTSIM? Make yourself known by sending your CV to: [email protected]

The CGTSIM is seeking candidates for the following position(s):

No posting at the moment.

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Protection of personal information

The Commission d’accès à l’information du Québec reminds public organizations that certain provisions of the Act to modernize legislative provisions respecting the protection of personal information in the private sector, also known as Bill 25, came into force on September 22, 2022. This reform modernizes the rules protecting personal information in Québec, so that they are better adapted to the new challenges posed by today’s digital and technological environment.

To this end, please consult our new Privacy Policy. Politique de protection des renseignements personnels.

Throughout the year, training on the main issues covered by Law 25 will be deployed to all CGTSIM staff.