我市持续推进“阳光分班”机制，多方监督保障义务教育公平

Group 1 - The core principle of "balanced class allocation" is being implemented in Nanjing's primary and secondary schools to ensure fairness and equity in student distribution [1][2] - The allocation process involves multiple dimensions such as class size and gender ratio, with supervision from various stakeholders including school leaders, parents, and government education officials [1][2] - The balanced class allocation has been mandated for all compulsory education institutions in Nanjing since the fall semester of 2017, ensuring transparency and equal educational opportunities for all students [2] Group 2 - The allocation for junior high school students is based on previous academic performance assessments, ensuring both academic and gender balance in class distribution [2] - The process includes a two-round lottery system for class assignment, with real-time documentation and public disclosure of results to maintain transparency [2] - The balanced class allocation has led to a dynamic equilibrium in student performance across classes, fostering a positive cycle of engagement and educational quality improvement [2]