I know it's hard but she's going to need to learn to deal with boisterous boys at school. Kindy is the last thing I'd be cutting back on.

If swimming ends soon then you'll get a day there - can you maybe go every second week to playgroup till that happens?

Does your DD like Polish school? I'd not be having a chat with DH about that one - could she not start doing that when she is 5 or 6 or will she be missing out on some basics?