noun, noun which may take the genitive case particle 'no'
extracurricular; outside the curriculum
Refers to activities, lessons, or events that are not part of the regular school curriculum. Often used in compounds like 課外活動 (extracurricular activities) or 課外授業 (extracurricular class).
放課後に課外活動に参加する。
I participate in extracurricular activities after school.
We went to the museum for an extracurricular class.
She actively takes part in extracurricular activities.
I decided to take an extracurricular class during summer vacation.