Yes, by and large, it was business as usual in Riverdale. "Chapter Twenty-Three: The Blackboard Jungle" is the tenth episode of the second season of Riverdale, and the twenty-third episode of the series overall. It is also the midseason premiere. It premiered on January 17, 2018.
The school janitor turned out to be a serial killer. But, we were putting him away along with our Christmas decorations. Now we were back to your typical small town intrigues, clandestine meetings behind closed doors and the like. Yes, by and large, it was business as usual in Riverdale.