In the anime Classroom of the Elite, at the start of the anime, there are 25 students in each class.
However, in season 4, there are 40 students in each class.
As a result, the previous chapters have also been updated, but from now on the classmates will be 40...
Some notable changes are,
1. There are 40 students in each class.
2. The monthly private points Shikakoi Souta receives from Ryuen's class from June onwards is 1.6 Million pp.