After School (Hangul: 애프터스쿨, Katakana: アフタースクール, also stylized as AFTERSCHOOL) is a South Korean girl group formed by Pledis Entertainment with an admissions and graduation concept.
After School officially debuted in January 2009 with "AH!". They then released "Diva" and "Because of You" later in the year, which were instant hits and became a commercial and critical success for the group. Follow-up singles "Bang!", "Shampoo" and "Flashback" further consolidated their domestic and international popularity. Their latest release is the maxi-single First Love, with its pole-dancing routine garnering praise from Billboard, complementing the group as the "top performers in K-Pop"