What's the difference between 강의실 and 교실?

Question

Answer

"초등학교", "중학교", "고등학교", "대학교"
"교" (learning..?)
"숙직실", "사무실", "경비실"
"실" (rooms.. or place?)
교 + 실 => "교실"
normaly. "교실" means high school or middle school or element school teaching room.
but, "강의실" is more general.

강의 = "Lecture"
+
실
강의실.

Answer

교실 =  in school  up to high school

강의실 university and college.