As a student who’s had a lot of test anxiety, laying off her might be the best thing you can do. I understand that as a parent you want to do everything you can to help, but telling her to study as much as she thinks she needs to, allowing her to register herself for her own tests, and being there as a passive support may build her confidence, take the pressure off, and allow her to take ownership of her score. High 1300s is by no means a bad score and for most schools it is adequate, especially when combined with higher grades/ECs. My parents gave me complete control over my testing experience, including test dates and what I did to study. I wouldn’t consider myself particularly self motivated, but I think relying on myself for test prep and planning, as opposed to my parents, built my confidence and motivated me to do better. So yeah, I would just lay off her for a while, worst case scenario she ends up with an SAT score that’s still pretty good.