The second season of the anime Classroom of the Elite will have around 13 episodes according to the Blu-ray and DVD releases. According to the official website, the series will premiere in early July in Japan.
Synopsis:
In short, young Kiyotaka Ayanokouji has just enrolled at Tokyo Koudo Ikusei High School, where it's said that 100% of its students go on to college or get a good job. Unfortunately, he ends up in class 1-D, where all the school's problem students are housed. Now, what are the plans and true intentions of this young man shrouded in mystery? Find out everything in this fantastic story full of twists and turns!
Finally, it's worth noting that the first season premiered in 2017 and unfortunately ended up changing many things from the original material.