Average number of APs taken by an Admitted MIT Student: between 5 – 6
Source: MIT Admissions blog, Oct 2005
Based on the thousands of apps I saw last year both in selection committee and as a reader, I can tell you that the average # of AP’s for admitted kids was 5 or 6 (that’s total for all 4 years of HS – i.e. 1-2 per year if evenly distributed). Many admits (most likely the majority) had no college classes. The most common AP’s taken were in math and science (no surprise, it’s MIT). The overwhelming majority got 4’s and 5’s on all tests.