本研究旨在探討國民中學組織健康、教師心理資本對教師效能的影響,並以工作投入作為中介變項來加以探討。因此,以雲林縣立國民中學教師為研究對象進行問卷抽查,研究工具包含學校組織健康、心理資本、工作投入與教師效能等量表。本研究以統計軟體SPSS與AMOS對調查結果進行分析,並檢驗線性結構模式之配適度。驗證結果顯示,整體模式配適度達檢定水準,表示本研究的理論模式可獲得支持;學校組織健康、教師心理資本對教師效能具有正向顯著性;學校組織健康、教師心理資本對工作投入也具有正向顯著性;學校組織健康、教師心理資本、工作投入對教師效能具有顯著性;學校組織健康、教師心理資本透過工作投入對教師效能皆具有部分中介效果。 The purpose of this study was to explore the relationship between orgnizational health, teachers’ psychological capital and teacher effectiveness with using job involvement as an intermediary factor. The participants were public junior high school teachers in Yunlin County. The investigation used orgnizational health scale, psychological capital scale, job involvement scale and teacher effectiveness scale as instruments. In this study, the statistical software analyzed the survey results and tested the model with a linear structure moderately. Validation results showed that the overall model fitted the standard level of certification, which meant that the theoretical model of this research available to support orgnizational health, in addition to both the job involvement of psychological capital and teacher effectiveness of the orgnizational health are not significant, there were significant positive impacts on orgnizational health to job involvement, job involvement to teacher effectiveness, psychological capital to teacher effectiveness, job involvement had partially mediation between organizational health and teacher effectiveness, job involvement had partially mediation between psychological capital and teachers effectiveness.