News Grade 12 Graduation at HHSS SHARE ON: Kaitlin Livingston, contributor, Wednesday, Jun. 29th, 2016 Students from Haliburton Highlands Secondary School are getting ready for their graduation ceremony tonight. Grads are being asked to pick up gowns at 6:30pm, and bring their friends and family for photos. The ceremony will begin at 7:30pm. Today is the first day of summer break for HHSS students.