Teachers engaged in the teaching or supervision of non-credit evening school in addition to a permanent or temporary contract with the Division shall be paid an hourly rate of $30.36 effective September 1, 2018; $30.78 effective September 1, 2019; $30.94 effective September 1, 2020; and a rate to be decided based on COLA effective September 1, 2021. All course offerings must be pre-approved by the Superintendent.