badminton coach wants extra sunday sessions, school has sunday revision from november

daughter is 14, class 9. she's played badminton at an academy near tolichowki for three years and enjoys it. coach is adding a sunday morning session for a group going to a district event. school has just announced sunday revision classes for class 9 from november. same hours. she wants both. i don't think she can do both without something giving. not trying to blame the coach or the school, they each have their reasons. has anyone made this work or did you pick one