This research investigated the influence of training and development on employee performance: evidence from selected Junior High Schools in Wenchi Municipality. The research design used in this study was a descriptive survey which enabled the researcher describe and interpret what exist at present in the form of conditions, practice, process, attitude and beliefs. The population of the study was teachers of Junior High Schools for the nine circuits in Wenchi Municipality. Basically, twenty-eight public Junior High Schools were used for the study. The sample size of two hundred and twenty-eight (228) was drawn from the teacher population of the Junior High Schools. Purposive sampling technique was used in the study because it involved a large number of teachers. The instrument used to gather data was a questionnaire. The researcher used descriptive statistics procedure to describe the attitudes, processes, feelings of respondents expressed in the questionnaire which is quantitative. The findings indicated that training and development programmes were available for teachers in Wenchi Municipality organized by Municipal Education Directorate and Head Teachers of the various schools in the form of in-service training and workshops. The study unveiled that teachers need training and development programmes in the following areas: methods and strategies of teaching, in-service training, subject-based training, professional and capacity development training, classroom management training and lesson notes and scheme of work preparation. The findings unraveled inadequate motivation and insufficient material resources as challenges faced during training programmes for teachers in the Wenchi Municipality.