Here is some information about that topic. Official apologies from the government of Ontario.
https://news.ontario.ca/en/release/35963/ontario-apologizes-for-1912-law-on-french-in-schools
Of course, these apologies has been completely downplayed in the English medias. And the linguistic cleansing has been done, anyway.
Ontario Apologizes for 1912 Law on French in Schools
Regulation 17 Effectively Banned Public French-Language Education for a Generation
Quick Facts
The Ontario government stopped enforcing Regulation 17 after 1927, but it remained formally in effect until 1944.
In 1984, Ontario officially recognized the right of all Francophones to receive French-language education in elementary and secondary schools.
Francophones gained full and exclusive governance of nearly all French-language schools in Ontario
in 1998. (Do you realize? 1998 !!!)
Ontario is home to nearly 612,000 Francophones — the largest population in Canada outside of Quebec. In 2015, Ontario celebrated 400 years of Francophone presence in the province.