NewsTLDSB needs your feedback on the next school-year calendar SHARE ON: Melissa Candelaria, contributor, Wednesday, Jan. 7th, 2015 The Trillium Lakelands District School Board is preparing to submit and adopt the 2015-2016 school year calendar. TLDSB says it must be submitted to the Minister of Education by May 1, 2015. The school board is asking parents, staff, students and the community to provide feedback on their proposed calendars. There is a calendar for the elementary school year and one for high school. Click here to review the calendars and do the survey.