Pinnaroo Primary School's search for meaning of war cry's Indigenous word, gundarwarra

Bronwyn Kay says she was curious about what the word in the war cry meant. (ABC Riverland: Timu King)

Pinnaroo is a small country town hugging the border between South Australia and Victoria along the Mallee Highway. 

It has its fair share of secrets, but perhaps none as enduring as the one at the local primary school.