Re: Broken wrist at school
If this case is true, the school in question has failed and breached two major areas in its duty of care it has for every pupil:
1. Forcing a pupil who has an injury - in this case a "broken wrist" in a cast - to participate in a PE class and exposing them to further injury.
2. Forcing a pupil of pubescent age to participate in a PE class in their "underwear", thereby exposing them to ridicule and/or verbal abuse, sexual discrimination/harassment and humiliation.
Furthermore, the OP says her knickers were "skimpy" which further implies a highly inappropriate sexualised slant to this. I would expect the school to be in a lot of shit, whether this has happened once or a 100 times, and I'm sure any parent would be justifiably outraged too. I would.
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KK
Never Surrender, Comrade