Mitchell was appointed Parliamentary Secretary for Regional and Rural Health and Western NSW on 24 April 2015 and served in the position till her appointment as Minister for Early Childhood Education and Aboriginal Affairs and Assistant Minister for Education on the 30 January 2017.
Mitchell was appointed Parliamentary Secretary for Regional and Rural Health and Western NSW on 24 April 2015. The Berejiklian ministry was subsequently formed with Mitchell sworn in as the Minister for Early Childhood Education, the Minister for Aboriginal Affairs, and the Assistant Minister for Education with effect from 30 January 2017.