It depends. If you are in junior high school or below, your English will improve quickly. As long as you master certain problem-solving skills, your score will rise rapidly.

If it is a high school, it is suggested to improve mathematics first, because high school English involves a wide range, needs a lot of vocabulary accumulation, grammar is much more difficult, and needs more time and energy to learn.

I hope I can help you! Hope to adopt yo ~ fine ~ ~ ~ sharp.