The 12 foundational concepts of Theory of Knowledge—your conceptual toolkit for examining how we know what we claim to know.
A Year 2 refresher you can use in every discussion. This one-page reference organizes the 12 TOK concepts into two categories: Process & Tools of Knowing (how knowledge claims are built and tested) and Impacts & Human Context (why knowledge matters and how it's shaped).
Click any concept to explore its definition, key questions, related resources, exhibition prompts, and essay titles. Each concept page aggregates everything connected to that conceptual lens.