Can you guys recommend me animes like Ouran High School Host Club and Baka and Test?

Baka to Test and Ouran High School Host Club.....o wait

Cramartie High School
Angel Beats
Daily Live of Highschool Boys
Accel World
Kaichou wa Maid-sama!
Suzumiya Haruhi
etc

Assuming you watched everything related to Baka to Test:

Nagasarete Airantou
Azumanga Daioh
Nichijou
Danshi Koukousei no Nichijou
Seto no Hanayome
School Rumble