I second this-- If you are a Junior take the ACT again and study for science and math. Wellesley superscores. If you can just get 1 point more each on science and math, or 2 points higher on either of them, you’ll have a C: 32. The math is not advanced, you just have to be very careful. The science does not require a huge amount of science knowledge–it requires very careful reading, in which you are very strong. Seek out books that train you how to move faster and more accurately through these two sections.