-학년(이에요) is a student in such-and-such a year or grade (at school)

학생 student

학생회관 student union (building)

한 about, approximately

한국 Korea

한국말 Korean language

한국사람 a Korean

한국어 Korean language

한국학 Korean Studies

한테 1 to (to the living thing e.g., to give something
to the living thing) 2 from (from the place) (colloquial)