Disclosed herein are systems, media, methods, and platforms for providing personalized mastery learning utilizing: a knowledge map; a plurality of learning activities, each learning activity comprising dynamically variable scaffolding, feedback, and content; a learning activity selection module selecting one or more learning activities for the learner; and a learning activity modification module dynamically varying one or more of the scaffolding, feedback, and content of at least one selected learning activity based on performance of the learner.