Karta Hub is a learning and teaching system focused on higher-order thinking skills. The systems AI technology can save up to 90% to 100% of the usual time required for providing personal feedback on answers to open-ended questions. Karta is based on concept mapping, a well-established pedagogy supported by tens of thousands of scientific publications, and encourages teachers to develop, maintain, and share high-quality educational resources to make lessons more relevant, engaging, and valuable for students. Karta Hub collaborates with the leading science education bodies and national projects in Israel.