as a tribute to T-ara's song Lovey-Dovey . 2013-2014: Disbandment Around mid-2013, a representative of Core Contents Media stated in an interview that they have no plans for Co-Ed School to promote as a full group as both of its sub-units had grown and changed their line-ups to become independent ensembles. By late 2014, all of the group's members, including Seo Eunkyo, had left the agency, thus confirming the group's disbandment. Members Former Soomi (수미) - former leader, vocalist, rapper (2010-2012) Taewoon (태운) - rapper, vocalist (2010-2013) Sungmin (성민) - rapper, vocalist (2010-2013) Yoosung (유성) - leader , vocalist (2010-2013) Hyoyoung (효영) - vocalist (2010-2013) Hyewon (혜원) - vocalist (2010-2013) Kwanghaeng (광행) - rapper (2010-2012) Kangho (강호) - rapper, vocalist (2010-2012) Chanmi (찬미) - vocalist (2010-2012) Noori (누리) - rapper, vocalist (2010-2012) Sub-units F-ve Dolls (Soomi, Hyoyoung, Chanmi and Hyewon; 2011-2015) SPEED (Taewoon, Sungmin, Yoosung, Kwanghaeng, Noori; 2012-2015) Discography Extended play Singles References South Korean co-ed groups MBK Entertainment artists K-pop music groups Musical groups established in 2010 South Korean dance music groups South Korean pop music groups 2010 establishments in South Korea