The ratings for Seitokai Yakuindomo from 2010 show that the show remains consistent with ratings in the decent to average range throughout both seasons. The bingeable rating would be around 60.
Best Episodes
7.8
S2 E21
Two Hot People/Cherry Blossoms THE MOVIE/Eiryou High School student from the volleyball team
7.8
S2 E19
3 Days of Deserted Island Life/Late Summer's Greetings