Grande Yellowhead Public School Division No. 77Edson, Alta. (210 school-divisions employees) and the Canadian Union of Public Employees (CUPE), Local 135701/28/2019|Canadian Labour Reporter|Last Updated: 01/28/2019 Renewal agreement: Effective Sept. 1, 2018, to Aug. 31, 2021. Ratified on Nov. 20, 2018. Signed on Nov. 28, 2018.Wage adjustments: To Read the Full Story, Subscribe or Sign In Remember Me Forgot Password If you are a current Subscriber, please click here to set-up or update your login information.