In Canada, there used to be Residential School. My granny went to one. They were pretty horrific to say the least. There were people, at the time, who thought entering them and reforming from within was what to do.
Of course, in reality, the only morally correct option was abolition and - eventually - that's what happened. They had some other levers to pull on the oppression machine like starlight tours and the 60s scoop and so on, but Residential School had only one morally correct position and it was not "reforming from within"
You should try doing it on purpose at least once