after school (at the end of the day)
放課後に部活の練習が毎日ある。
There is club practice every day after school.
放課後の補習授業に全員が参加した。
Everyone attended the supplementary class after school.
放課後に残って担任の先生と将来のことを相談した。
I stayed after school to consult my homeroom teacher about my future.