The class narrowly lost to Class A in the final exam, and were demoted back to Class D. However, the students showed growth throughout the year. Horikita, in particular, having grown as leader requests to dissolve the alliance with Class B.
It's unlikely to work, but shouldn't 
you complain to the school staff?
لن يُفلح الأمر غالباً، لكن أليس
عليكِ رفع شكوى للمدرسة؟
Könnte es denn schaden,
dich bei der Schulleitung zu beschweren?
¿No deberías denunciarlo
a la escuela por si acaso?
¿No deberías denunciarlo
a la escuela por si las moscas?
Et si tu essayais de porter plainte
auprès de l’école ?
Perché non hai provato a parlarne con i docenti? 
Non avevi niente da perdere.
É improvável que funcione, mas você
não deveria reclamar com a escola?
А почему бы не попробовать
пожаловаться учителям?