[2] She attends Prince Henry's Grammar School, Otley where she earned 12 GCSEs, completing her final exam in Baku whilst competing at the 2015 European Games.

[6][7] She won her first medal, a bronze, in the women's 4 × 100-metre freestyle relay alongside Darcy Deakin, Maddie Crompton and Hannah Featherstone.

[8][9] In the mixed 4 × 100-metre freestyle relay Coates, Deakin, Martyn Walton and Duncan Scott won a silver medal behind the Russian quartet.

[13][14][15] She won her fifth medal of the Games in the mixed 4 × 100-metre medley relay, as the British team, which also featured Luke Greenbank, Charlie Attwood and Amelia Clynes, took silver behind Russia.

[3] As a result, she was selected as part of the Great Britain team for the 2016 Summer Olympics in Rio de Janeiro, Brazil, where she will compete in the 4 × 200-metre freestyle relay with Jazmin Carlin, Ellie Faulkner and Camilla Hattersley.