PrairieLearn

PrairieLearn is an open-source, online problem-driven learning system (SaaS) designed for instructors and students in STEM courses. It delivers immediate, personalized feedback on complex, auto-graded assessments, including coding and drawing questions, while providing instructors with detailed analytics on student learning. Its interesting value lies in combining the rigor of high-stakes testing with the flexibility of a learning tool, enabling scalable, mastery-based education.