小中高生 しょうちゅうこうせいじゃありませんでした
shōchū kōseijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 小中高生

1. Was not a junior/senior/high school student.; Was not a student at those levels.

Past/Perfective
Negative
Polite
Terminal Form