DanceSport is a relatively new dance form becoming tremendously popular with children and youth in US and in the world. Being a highly sophisticated and demanding form of Ballroom Dancing, it contains elements of Ballet, Jazz, Modern Dance, Hip-Hop, Latin-American.
It in addition is a sport presenting another layer of challenge for children (Ohio Star Ball or Arnold Classic Competitions). Necessity to interact with a partner develops social skills of the students as well.
Notice that while finding a partner is eventually important, it is not a requirement to taking classes and is not crucial in the beginning stage.