 Nyorera kupfuurira kweiyi ndima - Parise anotevera akamiririra United States padanho reUnder-20, achitamba pa2003 World Junior Championships. Chikwata cheUSA chakapedza chiri pachinzvimbo chechina uye Parise akarova zvibodzwa zvina uye akawedzera zvinobatsira zvina kuti apedze wechisere mukukwikwidza zvibodzwa. Gore rakatevera racho, pa2004 World Junior Championships, Parise akatungamirira vanhu vokuAmerica kuti vawane menduru yavo yokutanga yegoridhe pamutambo wacho. Akarova zvibodzwa zvishanu uye akawedzera matanhatu anobatsira uye akapihwa iyo Tournament MVP, Best Forward uye akatumidzwa kuTournament All-Star Team. 