12 Graders at Zlatarski School – leaving the school: 22 May 2007; Graduation Ball: 26 May 2007. The graduation ball will start with a school gathering on 26 May at 6pm in front of the National Theatre! Good Luck to ALL of you! Schedule for the IB exams for the 12 grade – examination session May 2007 at Zlatarski School. Have a look at it here.