Thousands of Toronto students could be facing suspension this fall as Toronto Public Health (TPH) intensifies efforts to ensure children are up to date on mandatory vaccinations before returning to class.

In a renewed push ahead of the 2025–26 school year, TPH states that it will begin suspending students who are not compliant with Ontario’s Immunization of School Pupils Act, which requires vaccinations against nine preventable diseases, including measles, mumps, rubella, and polio. For children born after 2010, chicken pox is also on the list.

“In June, we assessed the records, and there were about 140,000 students who were not up to date with their measles vaccinations,” said Dr. Vinita Dubey, Toronto’s Associate Medical Officer of Health. “We sent out 140,000 letters in the summer. Ma

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