"But I have really loved it, and will take home lots of fun memories," she said.
Both girls achieved personal bests in a number of their swims
Including Madison gaining an 11th place in the 200m breast stroke competition, and shaving 1.76s off her best time in the 100m breast stroke.
Madison, who is a junior national silver medallist in the 200m breast stroke, said: "Competition was pretty fierce. But we had a lot of fun times. I'd love to come back next year."
Charlotte achieved personal bests in the 100m individual medley, 50m freestyle and 50m breast stroke shaving 2.2s, 1.5s and 76s respectively off her past best times. The athletes were able to attend the AIMS Games thanks to a grant from the Bendigo Valley Trust and months of fundraising efforts.
Team manager Gina Wills said: "Charlotte and Madison have done themselves and their school proud."
-For more AIMS Games coverage, turn to pages 10 and 40.