noun
out-of-school learning; off-campus learning
Refers to educational activities conducted outside the regular school campus, such as field trips, excursions, or community-based projects.
来月の校外学習で科学博物館に行きます。
We will go to the science museum for next month's off-campus learning activity.
校外学
As part of out-of-school learning, we participated in a local cleanup activity.