The proposed 2016-2017 School Year Calendar dates have been approved by the Halton Catholic District School Board on February 16, 2016. The dates, however, remain subject to approval by the Ministry of Education. The proposed first day of school for all students is on Wednesday, September 7, 2016. Please visit the HCDSB’s website to view a full list of all important dates, which includes statutory holidays, Professional Development (P.A.) Days, and exam dates. New International Students It is recommended that International Students new to the program arrive in Canada two weeks before the start of school. Before a new student can start school, they are required to attend an assessment appointment at our Welcome Centre. A late arrival in Canada may result in a delay to a students start at school. Please click here to learn more about booking an assessment appointment at the HCDSB Welcome Centre.