Ono sto pise na zvanicnom sajtu
http://travel.state.gov/content/dam/...structions.pdf na drugoj strani stoji "a high school education or its equivalent, defined as successful completion odmf 12-year course of elementary and secondary education." A nigde ne pise da mora u kontinuitetu. Najbolje posalji mail ambasadi, tu ces dobiti tacan odgovor, pa mozes posle preneti i ovde, mozda nekom zatreba u buducnosti.