Is Season 15 the last season of South Park?

after watching "You're getting old" where Stan turns 10 and thinks everything is crap to him, Kyle and his friends stop hanging with Stan, at the ending it looks like Kyle and Cartman long time foes start bonding a new friendship while playing X-Box, also Stan's parents get a divorce and separate from each other moving out of there home, also in the previous episode "Sushi City" Butters burns his Professor Chaos uniform, so looks like the end of Professor Chaos. So what do you think, do you think Season 15 is the last season of South Park? Will Stan end up committing suicide, while Cartman and Kyle become best friends or what????