Students and Teachers Over Politicians Act or the STOP Act This bill terminates (1) the taxpayer election to designate $3 of income tax liability for financing of presidential election campaigns, (2) the Presidential Election Campaign Fund, and (3) the Presidential Primary Matching Payment Account. Of the funds remaining in the Presidential Election Campaign Fund, the Department of the Treasury must transfer $37.8 million to the 10-Year Pediatric Research Initiative Fund. To the extent that funding is provided in advance in appropriations Acts, Treasury must transfer the remainder of the funds to the Department of Education to carry out activities under title II of the Elementary and Secondary Education Act of 1965.