This study aims to evaluate the impact of an internship program on the professional and personal development of Bop Htaw Education Empowerment Program (BHEEP) graduates which was established by an ethnic-based education provider (Mon National Education Committee) located in Southeast Myanmar. There were 51 internship alumni who have studied at BHEEP's two-year English program and teacher training had participated in this study. This study has identified three research questions such as identifying the knowledge background and rationale engagement of BHEEP students in internship programs at MNEC, the impacts of internship programs on professional as well as personal growth and skills of the BHEEP students and alumni, the strengths and weaknesses of the internship programs existing in MNEC, and the improved strategies to support the internship staff’s professional growth and skills of the BHEEP alumni and future students. Based on the research questions the survey questions have been structured into 4 parts including the 36 closed-ended questions, 4- points Likert scale has been assessed to identify the six parts, demographic information, the reason for participating in doing an internship, assessment of data associated to professional and personal growth and skills. Quantitative and qualitative data study has been carried out in this study as well as the focus group discussion. The demographic information and central tendencies of the response have been analysis descriptively. This study used scale measurement analysis to check the distribution normality and reliabilities of the questionnaire. The result showed a positive impact of the internship program on the internship participation to improve their professional growth, skills, and personal capabilities.