▁world ▁his ▁decision ▁to ▁sign ▁with ▁the ▁Miami ▁He at . ▁ ▁High ▁school ▁career ▁Mitchell ▁attended ▁Can ter bury ▁School ▁in ▁New ▁Mil ford ▁for ▁his ▁first ▁two ▁years ▁of ▁high ▁school , ▁after ▁having ▁graduated ▁from ▁Green wich ▁Country ▁Day ▁School ▁like wise ▁in ▁Connecticut . ▁Besides ▁basketball , ▁Mitchell ▁played ▁baseball ▁for ▁Can ter bury ▁as ▁well . ▁Yet ▁his ▁high ▁school ▁baseball ▁career ▁ended ▁in ▁his ▁s oph om ore ▁year ▁after ▁inc urr ing ▁injury ; ▁dash ing ▁for ▁a ▁pop - up ▁in ▁the ▁in field , ▁Mitchell ▁coll ided ▁with ▁a ▁catch er , ▁who ▁suffered ▁a ▁broken ▁j aw ▁while ▁he ▁received ▁a ▁broken ▁w rist ▁as ▁a ▁result . ▁It ▁also ▁ended ▁his ▁up coming ▁AA U ▁season . ▁For ▁his ▁junior ▁and ▁senior ▁years , ▁his ▁mother ▁transferred ▁him ▁to ▁B rew ster ▁Academy ▁in ▁Wolf eb oro , ▁New ▁Ham pshire . ▁M aking ▁basketball ▁his ▁focus ▁and ▁avail ing ▁of ▁B rew ster ' s ▁nation ally ▁prominent ▁program , ▁Mitchell ▁gar ner ed ▁consider ably ▁more ▁attention ▁from ▁college ▁basketball ▁coach es . ▁He ▁quickly ▁proved ▁popular ▁among ▁his ▁new ▁school m ates ; ▁so ▁much ▁so , ▁he ▁ran ▁for ▁senior ▁pre fect ▁at ▁the ▁end ▁of ▁his ▁junior ▁year . ▁He ▁also ▁acted ▁in ▁the ▁school ▁musical ▁and ▁gave ▁t ours ▁to ▁visit ing ▁students ▁in ▁his ▁role ▁as ▁a ▁member ▁of ▁the ▁Gold ▁Key ▁Club . ▁He ▁won ▁two ▁prep ▁school ▁national ▁champion ships ▁for ▁B rew