This is a user to user forum. You can very probably get help from this forum by asking a specific question.
Form 4852 is only used if you didn't get a W-2 (and should have). It's not optional.
Likewise claiming dependents is somewhat not optional. You may opt not to claim a dependent, but if they qualify as a dependent, they cannot claim themselves.
If your income is too high to claim a tuition credit, there is a tricky option to allow the student to claim it, but not the refundable portion of the credit. He still cannot claim himself.