Coed School (남녀공학) (formerly known as Co-ed) was a Korean pop 12 member mixed group formed by Core Contents Media that debuted at the end of September 2010. The group is formed by two sub-groups: one that include all female members, 5dolls, and one that include all male members, SPEED. The main group has been inactive since October 2010.
- Jongkook (joined November 2011)
- Sejun (joined February 2012)
- Yuhwan (joined October 2012)
- Taeha (joined October 2012)
- Kangho (left November 2011)
- Soomi (left February 2012)
- Chanmi (left September 2012)
- Kwangheng (left September 2012)
- Noori (left September 2012)
- Shannon (left July 2013)
- Jihyun (left July 2013)
- Fanclub: Classmates (unofficial)
- Color: Orange
In November 2011, it was announced that Superstar K3 contestant Jongkook joined the group and Kangho left to focus on acting. It was also announced the creation of the male unit, SPEED, following the steps of 5dolls.
In February 2012 it was announced that leader Soomi left the group to focus on her solo career while two additional members were added to the group and their respective sub-units, Nayeon (5dolls) and Sejun (SPEED).
In October, although not official announcement was made, GM Contents Media updated profiles of the sub-groups website by removing Chanmi, Kwangheng and Noori, confirming the rumors of their departure one month earlier. Also, three new members joined to replace the former members, Shannon, Yuhwan and Taeha.
- [2010.10.28] Something That Is Cheerful and Fresh