Will boarding school help me with my anxiety?

i have social anxiety and was thinking will a all girls boarding school to help me with it? the school i was looking at is called grier school it has every thing i like a horseback riding program and maybe only about 200 girls in the school at the max 12 girls in each class and i will have a room with 2-3 people in it ever since i was in 3ed grade i had anxiety i also have a learning disability which does not help out with nothing im not dumb im a fast learner but i cant when im in school with the anxiety in the way . in 8th grade i just kinda started to not going anymore maybe i tyred to go for only 2 classes a day but nothing helped me i would stay in my room all day and didn't want to have nothing to do with the wold i would only go out of my room to eat . i do go to therapy the mane reason why i get anxiety is because there is to many people in one cass maybe 20-30 . i hate going out to lunch or anything like that , not because i don't have friends i do have friend . the boarding school is in Pennsylvania and im in san diego the reason i would like to go to a boarding school is because i would really love to go to a school where i fit in and no one is trying to be someone els that they are not . all the girls seem very nice as if they where one big family . so what do you think do i go to the school ? or have you ever ben to a boarding school if so TELL ME ALL ABOUT IT.