 The school underwent a major expansion, completed in 2003, that saw the addition of a state-of-the-art computer lab and science lab (both equipped with SmartBoard technology), new grade 7 and 8 classrooms, a double gymnasium with a fold-down stage, a visual arts room, music studio, and common areas.On April 20, 2007, Turnbull was recognized by the SEEDS Foundation as completing 100 Green School projects.Only a few hundred schools in Canada are members of this prestigious club.