What does 成績 mean?
成績 is a Japanese noun meaning “grade (i.e., on a test), academic record” in English. It is written as 成績 in kanji, せいせき in hiragana, and seiseki in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
学校の成績は普通でしたよ。
My school grades were average.