For AP Calculus AB in 2026, 20% of test takers earned a 5, according to College Board’s score distribution table. For AP Calculus BC, 46% earned a 5.

Quick read

  • AP Calculus AB: 20% got a 5.
  • AP Calculus BC: 46% got a 5.

What that means

If you meant “how many students got a 5,” the answer depends on the AP Calc version. AB is much lower than BC in the latest distribution, which is typical because BC is taken by a more advanced group of students.

Score meaning

A 5 is the top AP score and means “Extremely well qualified.”

TL;DR

  • AP Calc AB: 20% 5s.
  • AP Calc BC: 46% 5s.