There's not an 11th season yet. Season 10 is about to start, July 19th.
Season 11 of Degrassi will start during the summer of 2011. The date it will air is July 18.
Season 9 will start in the fall as usual.
The summer of 2010
after season 10.
season 9
The newest season will began in October
Season 12 starts July of 2012.
2001 it started!
November 18th
Season 10 starts on 19 July 2010
its actually gong to start 19 July 2010