 Nyorai kuenderera mberi kweiyi ndima - Mumwaka wa2011-12, Shelepen akaenderera mberi paJunior Grand Prix, achikunda zviitiko muLatvia neRomania kuti akwanise kuenda ku2011-12 Junior Grand Prix Final. Akakunda menduru yesirivha muFinal. Pa2012 Russian Championships, akapedza 10th padanho repamusoro uye akahwina imwe menduru yesirivheri padanho repasi. Pakutanga mutambi wekutanga we2012 World Junior Championships, Shelepen akatumidzwa kuti atsive Elizaveta Tuktamysheva, uyo akabva mumakwikwi. Pamutambo uyu, Shelepen akapinda pachinzvimbo chegumi nembiri muchirongwa chipfupi uye chechina muchikamu chemahara, achipedza chechitanhatu zvachose. 