Abstract: This study sought to establish the adoption of Biometric System to Manage Teachers Absenteeism for Improvement of Teachers Performance: A Case Study for Karuri High School in Kiambu County. The specific objectives of the study were: To determine the current methods used in schools in monitoring teacher’s absenteeism, investigate the challenges faced in the use of the traditional methods. To determine the benefits of using biometric system to manage teacher’s absenteeism in schools, determine factors affecting schools from using biometric systems and develop and validate an adoption framework for biometric system.