Dhameystir weedha soo socota: Okafor waxaa si weyn loo shaqaaleysiiyay ka hor dugsiga sare wuxuuna ahaa kii ugu sarreeyey ee shaqaaleysiinta darajooyinka dhowr sano. Wuxuu ka ciyaaray kubbadda koleyga dugsiga sare ee Chicago, Illinois ee Whitney M. Young Magnet High School, halkaas oo uu ka helay abaalmarinta ciyaaryahanka qaranka ee dugsiga sare ee sannadka ee McDonald's, "USA Today" iyo "Parade". Koobkii Adduunka ee FIBA Under-17 ee 2012, wuxuu ku guuleystay abaalmarinta MVP ee tartanka ee kooxda USA ee ku guuleysatay billad dahab ah. Sanadkii 2013, Okafor wuxuu Whitney Young u horseeday 2013 Chicago Public High School League (CPL) horyaalka magaalada. Wuxuu ahaa All-American-ka isagoo da'yar ah sanadkii 2013. Xagaagii xigay, wuxuu ahaa xulashada kooxda All-Tournament
2013 FIBA Under-19 World Cup, oo loogu talagalay abaalmarinta dahabka ee Kooxda Mareykanka. Ka dib xilli ciyaareedkiisii ugu dambeeyay, wuxuu kasbaday aqoonsi ballaaran oo dhanka Mareykanka ah waxaana loo magacaabay ciyaaryahanka qaranka ee sanadka "Parade", "USA Today" iyo McDonald's iyo ciyaartoy kale. Wuxuu la saxiixday Duke sidii xirmo uu la lahaa Tyus Jones, oo si ballaaran loogu aqoonsaday inuu yahay ciyaaryahanka sannadka ee Koleejka Koleejka.