If you don't feel welcome, you should probably leave.

Structured play is a bit 1990s, and all the literature suggests that free play is the way to go, and that following the child's interests and extending on them is the best way forward. Sounds like that might be the bit that's missing though.

I'm in Brissy, have worked in the industry for 9 years (this week!) I can't PM you yet (not enough posts!) but if I knew what suburb you were in, and where you're willing to go, I could make you some good suggestions.