Using Ability Test Results to Differentiate Learning a two days teacher training was held on 23rd and 24th August 2013 by Center for Talented Youth, Johns Hopkins University (CTY). The training was organized for 44 Nazarbayev Intellectual school teachers from Astana, Aktobe, Karaganda, Kokshetau, Semey, Taldykorgan, Uralsk and Shymkent.