So far, Epitome has kept any and all season 13 information on lockdown, with Stephen Stohn not even posting pics of the readthroughs (which have been going on for a couple of weeks now). The Stohn did tweet a quick explanation today:
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Last season the new characters (Cam, Becky, Luke, Dallas) were revealed at the first readthrough of season 12, but they also didn’t have a graduation episode from the prior season in limbo either. If they’re already up to the readthrough for 1308, that also means filming for 1301-1304 has already started. For those still wondering, just because the Stohn hasn’t said “We’ve officially been renewed for a 13th season! Yay!” that doesn’t mean anything…the promo for The Time of My Life confirmed there are new episodes coming.
There’s no telling when the new characters will be announced. Let’s hope season 12 being dragged out until June also doesn’t affect the TeenNick summer promo that always comes out in May!
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Kary's Degrassi Blog 
I’m going to guess that they will hold off on the music video a few weeks and have that drop after/during Time of My Life instead of Memorial Day Weekend like has been the norm…then the summer arch will start in mid-late July and will either be shorter then even this seasons or it will run into early September and we’ll not have a Fall arch but maybe a one-off hour special in Nov/Dec instead with the back end in Feb
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There are most likely a bunch of newbies, too many to crop out of a picture lol also taila and harry have twitters
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