The educational landscape is undergoing a transformative shift with the integration of Artificial Intelligence (AI), especially evident in the United States where the "AI tutor + teacher" collaborative teaching model is gaining traction. This model synergizes the computational prowess of AI tutors with the irreplaceable emotional intelligence and creativity of human teachers, aiming to optimize educational outcomes and foster a more personalized learning experience. This essay delves into the intricacies of this innovative teaching model, elucidating its structure, characteristics, and potential future developments through a blend of theoretical analysis and practical case studies, including an in-depth examination of the Bettys Brain platform. The discussion extends to the foundational elements of Intelligent Tutoring Systems and the emerging field of human-computer collaborative teaching, highlighting the multifaceted implications of AI in education. The research methods encompass a comprehensive review of existing literature, case study analysis, and theoretical exploration. The essay concludes by underscoring the transformative potential of AI in education, while also advocating for a mindful approach to its integration, ensuring alignment with educational equity and ethical standards. The findings and discussions presented in this essay contribute to the broader discourse on the future of education, emphasizing the need for a balanced and thoughtful integration of AI to enhance the teaching-learning paradigm.