I didn't think it was as funny as previous episodes (although I did lol hard at Ryuuji's "How is this place not getting sued" at Sudohbuck's) but it was fairly entertaining. And the fact that we're still learning stuff about these characters keeps this interesting. Taiga and Kitamura have a complex history.
There were lots of little things in this episode that reveal more and more about these characters, little-by-little. Taiga standing up to the fascistic student council president, Ryuuji taking delight in cleaning mold off the tiles in a public toilet (isn't that the janitor's job), Minori's bucket pudding. Little idiosyncrasies like that is part of what makes good characters.