Simon Balle boys'/girl's uniform (Hertford SG13)

Does anyone has boys'/girls' school uniforms for Year 10+ (size 36-38)? Our daughter currently likes ties and jumpers. For sport classes, she is fine with longer shorts or leggings. She is 174cm tall and slim-built. She is starting Year 10 after the summer holidays and has nothing, as the jumper colour will change to maroon.