Junior high school teachers have to get involved in extra-curricular club activities.
Junior high school teachers also have to lead after-school club activities.
One of the jobs of a junior high school teacher is to lead after-school club activities.
「中学教師は部活動の指導をしなければならない」＝ Junior high school teachers have to get involved in extra-curricular club activities. / Junior high school teachers also have to lead after-school club activities. / One of the jobs of a junior high school teacher is to lead after-school club activities.
ボキャブラリー
junior high school teacher ＝ 中学教師
have to ～ ＝ ～しなければならない
get involved in ＝ 参加する
extra-curricular club activity, after school club activity ＝ 部活
lead ＝ 指導する
one of the jobs ＝ 仕事の一つ
also ＝ ～も
イギリス 
