 Kọ itẹsiwaju fun paragirafi yii - Ni akoko 201112, Bush bẹrẹ si han ni awọn iṣẹlẹ kariaye ti o ga julọ, ti o dije ni Finlandia Trophy, Nebelhorn Trophy, ati Coupe de Nice. Lẹyìn náà ló wá kópa nínú ìdíje Russian Championships 2012 : , ati pari 4th pẹlu kan lapapọ ojuami ti 223.30 ojuami. Bush je oludije akọkọ fun idije ife ẹyẹ ilẹ Yuroopu ti ọdun 2012 ni Sheffield, England. Ó gba àmì ẹyẹ góòlù ní 2012 Russian Junior Championships. Bush parí ipò karùn-ún ní 2012 World Junior Championships ní Minsk, Belarus. Bush gba ipò kẹwàá nínú ìdíje World Team Trophy 2012 ní Tokyo, Japan. 