 Nyorera kuenderera kweiyi ndima - Mumwaka wa2011-12 mwaka, Bush akatanga kuoneka mumakwikwi epamusoro epasi rese, achikwikwidza kuFinlandia Trophy, Nebelhorn Trophy, uye Coupe de Nice. Akabva apinda mumakwikwi eRussia muna 2012, uye akapedza wechina aine huwandu hwakazara hwe223.30 mapoinzi. Bush ndiye akanga ari mutambi wokutanga we2012 European Championships muSheffield, England. Akakunda menduru yegoridhe pa2012 Russian Junior Championships. Bush akapedza ari wechishanu pa2012 World Junior Championships muMinsk, Belarus. Bush akaisa 10th pa2012 World Team Trophy muTokyo, Japan. 