There were only five students chosen from Australia and she is the only student representing WA.
Kalli, her mum and teacher Peta Lowe are off on an all-expenses paid trip to Sydney in a couple of weeks for ambassador training.
World Education Games student ambassadors love learning and are enthusiastic about representing their school and country on the world stage.
Get in front of tomorrow's news for FREE
Journalism for the curious Australian across politics, business, culture and opinion.
READ NOWAmbassadors will be the voice behind all participating students in their country. Ambassadors will speak to the world via the World Education Games blog and the official student ambassador twitter feed.
In Kalli’s submission she described Australia as a free country diverse in its beauty and accepting of many cultures and beliefs.
“It is a country that is proud of giving you a fair go,” she said.
Kalli said she was very excited about being an ambassador.
“I am very proud and will do my best,” she said. “I have the best teacher in the world.”