There are some municipal by-elections in Ontario.
https://www.toronto.ca/city-government/elections/by-election/New elections will be held on Monday, January 23, 2023 for French school board trustees where the nominated candidates were ineligible.
https://www.cambridge.ca/Modules/News/index.aspx?page=1&newsId=fdad4279-400c-407a-8f88-beb6958b2363The ballots for separate school supporters in Cambridge did not include the names of two candidates. The election will 'resume' in November 2022.
The area represented by the trustees also includes the Township of North Dumfries. "The results from the election for English-Separate, School Board for the Township of North Dumfries will be sealed, forwarded and retained by the City Clerk for the City of Cambridge. Following the resumption of the election in Cambridge the results for the English-Separate School Board will be compiled for Cambridge and North Dumfries to be shared publicly."