Education in a school is explored by provision of resources, their maximum utilization and management. Proper management of resources enhances students' performance and achieves the educational objectives. The purpose of this study was to examine the attitudinal determinants of educational resources management and their influence on students' performance in secondary schools in Bungoma County. A descriptive survey design was adopted. The study population composed of 112 head teachers, 1,120 teachers, 4,480 students and 9 County Quality Assurance and Standards Officers. Simple random sampling method, stratified sampling technique, saturated sampling technique and purposive sampling method were used to select samples. Questionnaires and in-depth interview guides, observation schedules and document analysis were used to collect data. Reliability of instruments was determined through a pilot study conducted in 3 secondary schools. Qualitative data from interviews was transcribed and reported according to emerging themes, categories and sub-categories while quantitative data was analyzed using descriptive statistics such as frequency counts, means and percentages. Pearson's product moment correlation coefficient was used to establish relationships between variables. Findings of the study revealed that there was a significant relationship between attitudinal determinants for educational resources management and students' performance in KCSE exams. From the study it is concluded that the attitude of teachers and students towards management and utilization of educational resources has influence on performance of students in KCSE exams. From the study, it is recommended that schools in the County should involve teachers in drafting the policies and regulations on management of educational resources for them to implement them without resistance.