Degrassi College: Why Doesn't Degrassi Follow Characters To University Anymore?

No one wants to see their favorite Degrassi characters leave the show, but why doesn't Degrassi try to follow these characters into college years? Why isn't there a Degrassi college spin-off?
Degrassi did university storylines for three seasons during The Next Generation (Seasons 6, 7 and 8) and learned that while it was a great idea in theory, it wasn't something the audience as a whole was interested in.