Hi Keet. I feel for you. Any chance that the kids could be moved to separate classes? Just don't be responsive when she tries to initiate get togethers, etc. Encourage your children to have playdates with other classmates. Hang in there! I've been in a similar scenario with this child joining DS's school for the first time this year. This could go on until 8th! Anyway, they were in the same class (there are only 2 classes in their grade) but there was a last minute shuffle and they are in different classes. See if you can get the kids separated...it would be a beginning, then you won't have to interact as much, won't get invited to the same classmates birthday, etc. Good luck!