Gray is a neutral, so pretty much any plain color. Prints or plaids with a bit of gray . No dots !
No.
Wear something smart-good luck!
blue
yes, why wouldn't you be able to?
white it goes with everything
Any shirt
pollo
Formals that would best suit a seventh grader for school would be a shirt and pants with a tie for a boy. Also, a shirt and skirt with a tie for a girl. You can team it up with a sleeveless pullover.
plad
probably black, plaid or white and grey!
Mostly any color shirt besides grey or brown
it depends on the kind of sportsjacket and shirt you have