Today, most of the private secondary schools have been suffered from low performance because of the lack of effective employee training and development. That`s why this study has been conducted over a period of five months from March to July 2019 on the impact of training and development on employee performance. The study took a sample size of 90 respondents from the target population of 220 employees from the entire staff namely: principals, coordinators, and teachers of six (06) reputable private secondary schools in Phnom Penh, Cambodia used as a case study. However, 74 respondents were collected. Statistical Package for Social Sciences (SPSS) and ANOVA method were used. From the results of the study, it can be concluded that there were benefits of training and development on employee performance which enabled the school to maintain its competitive advantage, increase in job satisfaction, and reduce employee turnover. Training and development provided new employees skills, and enhanced competence they need to perform their jobs to contributed to higher productivity and promoted successful succession planning aligns with school objectives. However, the school needs to have a necessary training and development policy for effective implementation. The study hypothesized that; there is a positive relationship between training and development and employee performance.
Keywords: training; development; impact; employee performance
