You sign up for AP courses through your school, not through the AP website. Start by checking out these instructions.
Are you already signed up for an AP course? Your next step is to join your class section online. You should do this at the beginning of the school year.
Instructions
Explore the 38 AP courses.
Go to the Course Index to get an overview of each course and exam.
See if your school offers the course.
There are 38 AP courses, but all are not available at every school.
Talk to your counselor or your teacher about signing up.
Your teacher or counselor will be able to tell you how to sign up and what to do to prepare for the AP course you’re interested in. Before you meet with your teacher or counselor, download and fill out the AP Conversation Starter.