At the forefront of revolutionizing middle school math education stands the PLUS (Personalized Learning Squared) project, an ambitious endeavor championed by the Human-Computer Interaction Institute at Carnegie Mellon University. Our chief mission? To double the math learning rate for middle schoolers, especially targeting those who have historically been underserved. This ambitious goal has come to life in collaboration with esteemed institutions such as Carnegie Learning and Stanford University, under the guidance of Prof. Ken Koedinger, Prof. Vincent Aleven, and Shiv Gupta.What sets PLUS apart is our hybrid tutoring platform. By marrying the insights of human tutors with the capabilities of