This study was conducted to determine the significant effect of academic workloads to productivity and job satisfaction of elementary teachers in selected schools in Liliw District, Laguna. It is important to value the teachers’ productivity and job satisfaction because the researcher believed that these influences teachers’ turnover and quality of teaching. The independent variables included the academic workloads of elementary teachers. On the other hand, teachers’ productivity and job satisfaction are used as an indicator for dependent variables. It aimed to answer the questions such as the mean level of respondent’s academic workloads in terms of: Teaching Load Allocation, Working Hours, Preparation Time, Coaching and Mentoring and Ancillary Function. Also, the mean level of instructional leaders’ productivity in terms of Community services and linkages, Research, Professional Development and Awards and Recognition as well as the mean level of instructional leaders’ job satisfaction in terms of Work Condition, Job Security, Salaries and Benefits, Working Environment; and Social Satisfaction. Presented the summary of findings, ancillary function had a significant effect to instructional leaders’ productivity as to research and job satisfaction as to Job Security, Salaries and Benefits. Preparation time had a significant effect to teachers’ job satisfaction as to work condition and social satisfaction. Ancillary function and preparation time had significant effect to teachers’ productivity as to community services and linkages and professional development. Therefore, the null hypothesis that academic workloads have no significant effect on instructional leaders’ productivity and job satisfaction among selected elementary schools in Liliw, Laguna at 0.05 level of significance was partially accepted. Based on the drawn conclusions resulted to the following recommendations: Rebalance the workload on a regular basis, it may be recommended that automating faculty workload to ensure faculties in institutions optimally spend their time and align with the interests of the institution to maximize efficiency and effectiveness in all areas of operations. Faculty workload management system can help administrators to determine how best to divide the work. Furthermore, creating an action plan based on evaluation scores to enable faculty members to attend workshops, courses and conferences that promote the development of skills for both teaching and research can also be an option for the Academic Workloads of teachers to be improved.