<p>At Blair, and I imagine at all prep schools, the students who cannot meet the academic expectations are not invited back. I don’t know how low the gpa would be, but I am guessing below a 3.0 (on Blair’s 6.0 scale). </p>
<p>By the way, a very high percentage of Harvard undergrads graduate with honors. In 2002, it was 91%. They were planning to reform this so I don’t know where they are today.</p>