Balanchine and derivatives: ex-Ballet Russe , Balanchine dancers, fanned out and started or developed schools and companies. Some school districts started annual Nutcracker field trips. In the 1950's and 1960's most families had 1 TV with 3 stations [until PBS became the 4rth]-NBC, ABC, CBS. In 1962 Nureyev appeared twice on NBC's Bell Telephone Hour-partners Tallchief and Serrano. Imagine today if 1/3 of all prime time video/broadcast viewing was ballet.
http://www.dailymotion.com/video/x2hnzoa has Ed Sullivan shows including Nureyev/Fonteyn, Makarova [Black Swan and 32 fouettes on live tv and a slippery surface], D'Amboise playfully tossing his partner into Sullivan's arms, Moiseyev, etc. Nureyev did several scenes on the Muppets- fun and charming- today people might complain his jokes weren't PC https://www.youtube.com/watch?v=aHbGqJ_MonU