Released On August 13th 1994, 교실 이데아 (Classroom Idea) talks about the strict education system of Korea, and the will to break free from the everyday life and live through youth.

Seo Taiji and boys made a big statement with the release of the song, as they stood up against their older generations, criticizing the school system. As the song turned into a big discussion about the band being a bad influence to the young crowd, the song was banned from TV and radio in South Korea.