The 15-year-old, who was awarded the top prize by the judging panel, also won the Margot Fonteyn Audience Award.
The silver medal was won by Lania Atkins from Australia, while the bronze went to her compatriot Makensie Henson.
Held at London’s Sadler’s Well Theatre, the contest was streamed worldwide for the first time in its history.
Dancers from 16 countries took part in this year’s competition, which was held over three days leading up to the final.
For the first time, nine entrants were given financial assistance to take part, through the Darcey Bussell Genee Bursary, aimed at assisting those who otherwise could not afford to attend.
The Choreographic Award for the best “dancer’s own” work went to Jana Baldovino, 15, from New Zealand
Past Genee medallists have gone on to dance for the Royal Ballet, the American Ballet Theatre and the English National Ballet.
Next year’s competition will be held at the Sydney Opera House in Australia.