Complex sentence: Vladislav enrolled in the Interschool Aesthetic Center (IAC) to study variety vocal singing and pianoforte, and also in Creative Union "Première" (Theatre), and graduated his studies at these institutions in 2011 with honors.
Split into simpler sentences: Vladislav enrolled in the Interschool Aesthetic Center (IAC) to study variety vocal singing and pianoforte, and at the Creative Union "Première" (Theatre). He graduated his studies at these institutions in 2011 with honors.