Their keyword is "voluntary". In-services, staying after school, the presentation I'm doing on Friday - it's all voluntary. Supervision is not, and the union agrees with me that the amount I'm doing is excessive, but no one seems to be able to suggest an improvement that won't infringe on anyone else's contract (for example, the EA's, who already have a pretty awful job.) The fact is, I would be within my rights to refuse to do any of it, but I'd be sealing myself as a troublemaker and non-team player if I did. It's a lose-lose situation.