What does 同級 mean?
同級 is a Japanese noun meaning “the same grade, same class” in English. It is written as 同級 in kanji, どうきゅう in hiragana, and doukyuu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
私の姉は高校時代の同級生と結婚しました。
My sister married one of her high school classmates.