What does 退学 mean?
退学 is a Japanese noun meaning “dropping out of school” in English. It can also be translated as “leaving school (university, etc.) after completing a course” depending on context. It is written as 退学 in kanji, たいがく in hiragana, and taigaku in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼は十七歳で高校を退学した。
He left high school at seventeen.