The objective of the study was to establish the relationship between work environment and students' academic performance in Mandera east sub-county, Kenya, this study was anchored on Scarcity theory. The research employed a pragmatic research philosophy and adopted a survey research design. The target population was 62 (comprising 54 teachers and 8 principals of secondary schools in Mandera East Sub-County). While the teachers responded to the questionnaire, the principals participated in interviews as key interview informants. Since the target population wase small, manageable and accessible the study used a census where the sample size was 62 respondents; comprising the 54 teachers and 8 principals of secondary schools in Mandera East Sub-County. Interviews and questionnaires were used in secondary schools in Mandera East sub-county, Kenya, as a data collection method. The questionnaire was tested for validity using content validity and reliability using Cronbach’s Alpha. The study revealed that at α=0.05, work environment, was an estimators of students’ academic performance in Mandera east sub-county, Kenya. The study recommends that schools in Mandera east sub-county, Kenya should; create strategies for enhancing their work environment by providing incentives to drive teacher’s satisfaction with the work environment, review their strategies on supply of teachers through ensuring that they have the number of teachers they require at any given time and develop strategies to mitigate teacher turnover strategies.