Chances of me being admitted to the following boarding schools?

Hello,

I am currently applying for Phillips Andover (far reach, I know), Northfield Mount Hermon (my top choice), Groton School, Deerfield Academy, the WIlliston Northampton School, Milton Academy, and Hotchkiss.

My score on the ssat was 56%. This might of been due to the fact I had a really bad anxiety attack (which never happens) before the exam.

Despite this, I do very well academically. I usually get all Straight A’s and A+s as a trimester grade, and B+'s for my Honors English class. I am also in Challenge classes for Science and History. I advocate for Human Rights, and have a fairly large blog on social media for this. I am also a good swimmer and people say I’m a really good artist (I do drawings, usually portraits of people). I also play the piano quite well. Will the SSAT score be a major factor to this, even though I do well academically and in my extra-curricular activities? I had a very good interview at Andover and Northfield (the guy at Northfield said he could see me as a Dorm Leader too!). I am also writing a book that I am planning to get published if I get to my goal of 2 million reads on this online reading site called Wattpad. I am really really nervous and I would like some insight.

Thank you!

You are posting in the College Study Abroad section- if you go scroll down to the forums page you will find the section for high school students, and the thread for prep school admissions!