This study explores the factors influencing elementary school teachers in Taoyuan City to take on additional administrative roles. Relevant studies suggest that increasing administrative stipends or offering additional benefits may enhance teachers’ willingness to assume such positions. However, whether these measures can effectively address the issue of insufficient administrative personnel remains to be further examined. Based on a comprehensive literature review and discussions with two experts, this study established four dimensions—family factors, personal factors, organizational factors, and compensation factors—along with 11 associated criteria. The Analytic Hierarchy Process (AHP) was employed to analyze the weight ratios of these dimensions, supplemented by semi-structured interviews. The study’s findings are as follows: 1. Among the four dimensions influencing teachers’ willingness to take on administrative roles, "family factors" are the most significant, followed by "personal factors"; 2. The primary personal factor influencing willingness is "personality traits"; 3. The key organizational factor is "organizational climate"; 4. The foremost compensation factor is "intrinsic rewards"; 5. The main family factor is "family support"; and 6. Different background variables influence teachers’ willingness to assume administrative roles. Finally, the study proposes relevant recommendations based on these conclusions.