How to say "classroom" in Japanese

• 教室きょうしつJLPT N5approx.Common
  nounThe common word for a classroom or lecture room: a room where a class meets, as at a school. This is the word to choose in virtually any everyday context.
  教室きょうしつは生徒せいとでいっぱいだった。↗

  The classroom was full of pupils.
• 教場きょうじょう
  nounA dated term for a classroom; it is seldom the word you want for this sense, and 教室 serves in ordinary contexts. You are most likely to meet it in older texts.
• クラスルーム
  nounA loanword from English 'classroom'. It is less common than 教室 and seldom the word you need; in ordinary use, 教室 is the natural choice for a classroom.

All three translate 'classroom', but 教室 is the common default (it also covers 'lecture room'); 教場 is a dated alternative you will rarely need, and 「クラスルーム」 is a less common loanword that is seldom necessary.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 教室きょうしつclassroom
• 教場きょうじょうclassroom
• クラスルームclassroom