Hello there! I’m Riley Sinn and I have been teaching high school students for over a decade. Over the years I started making YouTube videos to help support my students in their studies. Before I knew it I was helping students around the world.

I have been a reader for the AP National exam. Over the years I have taught not only AP Human Geography & Psychology, but also AP Microeconomics, Sociology, Philosophical Thought, Civics, World History.