This research project investigated the impact of occupational health and safety practices on employee performance at Rift Valley Academy (RVA) in Kenya. The study investigated specific occupational health and safety programs and policies at Rift Valley Academy; evaluated the effect of work environment on employee performance within Rift Valley Academy; and examined the role of leadership and management in organization health and safety on employee’s performance. This research was carried out using an explanatory research design. Data was collected through questionnaires to assess the level of adherence to OHS policies and its impact on employee performance using indicators such as absenteeism, job satisfaction and overall productivity. The target population consisted of all permanent employees working in Rift Valley Academy. The population size was 303. This study used the stratified sampling technique to select a cross section of staff at different departments. The sample size of the study was 120 respondents sampled from all departments at RVA. Primary data was collected primarily using questionnaires containing both open and closed ended questions. Data collected was first cleaned, sorted and matched, coded and analyzed using the Statistical Package for Social Scientist (SPSS) to obtain descriptive statistics such as means, standard deviation, percentages and frequencies used to describe the data. The first objective sought to evaluate the specific occupation health and safety programs and practices and policies adopted at RVA. The study established that majority agreed that there exists OHS practices such as safety inspection, safety trainings and safety audits at RVA and that OHS plays an important role in employee performance and that laws and regulations have been enforced to ensure adherence to OHS practices and thus ensure safety of employees at work. The second objective sought to determine the influence work environment on employee performance at RVA. Majority of the employees from RVA agreed that RVA provides a work environment that is safe and has adequate facilities and arrangements for employee welfare and it ensures employee health and safety for employees. The third objective sought to determine the role of leadership and management in OHS on employee performance. This study revealed that leadership and management at RVA ensured that resources were available and accessible to employees to support physical health and mental health at work and ensure that employees carried out their job safely. The study concluded that Occupational Health and Safety programs and practices at RVA plays a crucial role employee performance. To ensure employees maintain good performance at work, the school has ensured that employees are aware of safety programs and policies and procedure, they are provided with the right necessary training on health and safety and safety inspections and audits are done on a regular basis. RVA has also ensured that safety committees are set up and are working to ensure the safety of employees. Along with that, RVA has also ensured that it promotes a good working environment both physically, socially and mentally. It was recommended that employees need to be involved fully in the safety decision making process and this should be an agenda driven by the top management in order to increase commitment levels at RVA, Secondly, RVA needs to invest more time to educate the employees about set policies and set objectives. Thirdly, there is a need for RVA to offer motivation to the employees, and such incentives would lead to more commitment to employee performance. Lastly, RVA has formulated Standard OHS practices for employees therefore through the various departmental heads, closer supervision should be done to ensure all employees adhere to the set OHS practices.