The Toronto District School Board is the largest school board in the country with an annual budget of about $3-billion. While the TDSB employs salaried custodians, it spends hundreds of thousands of dollars each year paying specialized tradespeople to perform routine work, such as hanging photos or unclogging toilets.

Use this interactive, compiled using data collected by The Globe and Mail through a Freedom of Information request, to search through TDSB schools and explore maintenance costs for each. The work order records include information on labour expenses and other costs. Most schools also have accompanying enrolment and capacity information.

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