school arts festival; school cultural performance
A school event where students present plays, music, or other performances, typically at elementary or junior high schools.
来週の学芸会で、クラス全員で劇をします。
At next week's school arts festival, the whole class will put on a play.
学芸会の練習が毎日放課後にある。
We have practice for the school performance every day after school.