Purpose: The aim of the present research was to design an effective professional ethics model in training from the perspective of heads and deputies of education in Tehran province.Methods: This study in terms of purpose was applied and in terms of implementation method was mixed (qualitative and quantitative). The research population in both qualitative and quantitative sections was the heads and deputies of education in 2019-20 academic years. The research sample in the qualitative section according to the theoretical saturation principle was 40 people who were selected by purposive sampling method and in the quantitative section according to Cochran's formula were 230 people who were selected by multi-stage cluster sampling method. The research instruments were the semi-structured interview and a researcher-made questionnaire whose psychometric indicators were confirmed. Data were analyzed using methods of open, axial, and selective coding, exploratory factor analysis, and structural equation modeling in SPSS and LISREL software.Finding: The results of both qualitative and quantitative sections showed that effective professional ethics in training had 40 indicators and 9 components including self-efficacy, scientific responsibility, individual ethics, managerial factors, organizational factors, job ethics, extra-organizational factors, social responsibility, and belonging to the scientific society. Also, the effective professional ethics model in training had a good fit and all 9 components had a significant effect on the mentioned model (P <0.05).Conclusion: According to the results, planning to improve the effective professional ethics in education is necessary by experts and planners. As a result, they can enhance the components of self-efficacy, scientific responsibility, individual ethics, managerial factors, organizational factors, job ethics, extra-organizational factors, social responsibility, and belonging to the scientific society پرونده مقاله