ameel, "Two professors […] have narrowed down their search for the choreographer to a teacher’s conference in New South Wales in 1975. […] Line dances were reckoned to be a good way to get children up and moving in physical education classes"
Australia and the Nutbush: the quest for the origin of a cultural phenomenon goes on — https://www.theguardian.com/australia-news/2024/may/05/origins-of-the-nutbush-line-dance-australia-schools