This study validates the instructional materials designed for the Business Plan Implementation course under the Bachelor of Science in Entrepreneurship program. Employing a descriptive research method and survey questionnaires, students, faculty members and other stakeholders of the Laguna State Polytechnic University evaluated the materials with respect to their acceptability and effectiveness in facilitating learning and engagement. Findings demonstrate that the instructional materials are highly acceptable and effective, prompting a recommendation for their endorsement and broader implementation within the department.  Incorporating feedback mechanisms and continuous assessment tools can also ensure that the materials remain up-to-date and effective.  Moreover, adaptability of these materials for community extension initiatives. Community workshops and training programs, aspiring entrepreneurs and local residents can be empowered with practical business planning skills, thereby contributing to sustainable economic development. The level of implementing these enhancements, the instructional materials can better support student learning and serve as a full-bodied reference for future business initiatives and extension programs. Strategic partnerships with local organizations are encouraged to maximize community impact and promote a culture of entrepreneurship at the grassroots.