noun
first year of junior high school; first-year junior high school student
Abbreviation of 中学校1年(生). Used in school contexts to refer to the grade or the student.
中1の時、初めて英語を勉強した。
I studied English for the first time when I was in the first year of junior high school.
うちの子は今年中1です。
My child is a first-year junior high school student this year.
Abbreviation of 中学校1年(生), combining 中 (from 中学校) and 1 (first year).