Where did the singer of the song "Rain" during her middle school years?
Rain (Taeyeon song): "Rain" is a song by South Korean singer Kim Tae-yeon, a member of the South Korean girl group Girls' Generation. Kim Tae-yeon:  She had been a trainee at S.M. Entertainment's Starlight Academy during her middle school years before debuting as a member of the agency's girl group, Girls' Generation, in 2007.
Starlight Academy