So currently i am only allowed to group and que with 3 friends at a time. Does this change at higher levels or is there anyway around it?

pre made groups should be small if you want to play among the solo que ppl. its bad enough all ready
they should make a seperate que for teams or risk even more camping low levels at spawn and putting people off a game that needs to grow.

well from my observations matchmaker tries to put up one group in lets say blue team and other group in red one, so if you play in a group then most likely in opposit team there will be a group too