No you cant, is the short answer.
They are FAR from healed, and will start to close up on the inside.
You risk pain and infection removing them so soon, replacing them will also hurt. Its a VERY bad idea.
You should have got them done at the start of the holidays, they would have been almost healed by now if you had.
No school allows earrings for PE, so you either need to take them out and leave them out, or, be excused from PE for a few weeks (which seems unlikely to be allowed)