教室

1. Origins, structure, and basic meaning

• Structure: 教室 is read as きょうしつ and is a noun meaning either a classroom or an organized class or course for learning a particular activity.
• Basic usage: The physical room appears in 教室の窓, while attending a course appears in 料理教室に通う.

2. Common pitfalls and similar expressions

• Two senses: room and course
  • It can denote the actual room in a school or a class for learning an activity such as cooking or music.
• Difference from 授業
  • 授業 is an individual lesson or teaching activity, whereas 教室 is the room or the organized course.