Focusing on Educational Equity: The Rational Boundaries and Reasonable Approaches of Resource Allocation Bias Towards Key Middle Schools

In the process of global education modernization, the policy of key middle schools, as a local practice of concentrating resources to build demonstration schools, has played a role in elite training and regional education demonstration, but the problems of urban-rural/inter-school gap and unequal educational opportunities caused by excessive resource tilt have attracted widespread attention. From the perspective of educational equity, this paper systematically analyzes the historical positioning (early elite training, mid-term demonstration radiation, and later reform experiments), positive impact, and fairness challenges brought about by resource tilt (county financial imbalance, hollowing out of rural schools, and structural deprivation of educational opportunities). The study finds that the core contradiction of the key middle school system is that the policy is not dynamically adjusted with the demand for high-quality and balanced education, resulting in a disconnect between resource allocation and the goal of equity. Based on this, this paper proposes an optimization path to build an education equity monitoring and early warning system, design a gradient adjustment mechanism, and cultivate a collaborative development ecology, so as to provide a practical reference for the high-quality and balanced development of education.