Commentary Diversity is a reality in Canadian public schools. Teachers and students do not all share the same race or ethnicity, belong to the same religion, or hold the same beliefs. Nor should they. Prime Minister Justin Trudeau has often said that diversity is one of our country’s greatest strengths. That is why public schools celebrate diversity and accommodate differences. Parents are far more likely to keep their children in the public school system if they are supported and validated by their school. Public schools need to serve all families, not just those whose beliefs happen to line up with those of the majority. This is why we should be deeply concerned by the recent push for mandatory COVID-19 vaccines in schools. For example, each of the four major teachers’ unions in Ontario has called for vaccines to be made mandatory for all teachers and students. Teachers’ unions in other …