Mad Hot Ballroom

Mad Hot Ballroom is a 2005 American documentary film directed and co-produced by Marilyn Agrelo and written and co-produced by Amy Sewell, about a ballroom dance program in the New York City Department of Education, the New York City public school system for fifth graders. Several styles of dance are shown in the film, such as tango, foxtrot, swing, rumba, and merengue.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.