Students with hearing impairment struggle to understand lessons on ethnic diversity, which leads to poor academic performance, while the use of technology-based teaching materials in the classroom remains limited. This study aims to develop digital teaching materials based on Google Sites covering ethnic diversity for students with hearing impairment at Special Junior High Schools Krida Utama Nganjuk. This study employs the Research and Development (R&D) method using the ADDIE model, which includes the analysis, design, development, implementation, and evaluation stages. Research data were obtained through expert validation and student response testing. The validation results yielded a 91.76% approval rate from subject matter experts and a 98.67% approval rate from instructional material experts, both categorized as highly valid. The practitioner assessment yielded a percentage of 95%, and the pilot test with five students resulted in a response rate of 92.36%, categorized as highly practical. Based on these results, the Google Sites-based digital instructional materials are deemed suitable for use in Pancasila education for students with hearing impairment. Further research is recommended to examine the effectiveness of the instructional materials in improving student learning outcomes.

Keywords: teaching materials, Google Sites, ethnic diversity, hearing impairment