Original sentence: Andrew Treneman  Jamie Glover  Former Deputy Headteacher, English Teacher 1x01–2x12, 4x19–  2006–07, 2009–.Kim Campbell  Angela Griffin  Head of Pastoral Care, Art Teacher 1x01–2x12, 4x11–  2006–07, 2009–.Steph Haydock  Denise Welch  Head of French (Former Head of Pastoral Care)  1x01–  2006–
Edited sentence: Andrew Treneman  Jamie Glover  Former Deputy Headteacher, English Teacher 1x01–2x12, 4x19–  2006–2007, 2009–.Kim Campbell  Angela Griffin  Head of Pastoral Care, Art Teacher 1x01–2x12, 4x11–  2006–2007, 2009–.Steph Haydock  Denise Welch  Head of French (Former Head of Pastoral Care)  1x01–5x20  2006–2010http://www.uk/soaps/a170202/denise-welch-quits-waterloo-road