TDSB Ward 21: Incumbent Shaun Chen leading By Kimberlee Nancekivell October 25, 2010 Toronto District School Board Ward 21 (Scarborough-Rouge River) incumbent Shaun Chen is leading with almost 50 per cent of the vote. Related About this article By: Kimberlee Nancekivell Posted: Oct 25 2010 6:30 pm Edition: Scarborough Filed under: News • Toronto Votes 2010 Topics: Shaun Chen • TDSB • Ward 21