This study aims to describe and analyze the development of a Google Site–based digital teaching material repository as an interactive learning medium in the Elementary School Teacher Education Program (PGSD). The repository was developed within the framework of educational technology as a learning resource management system that supports accessibility, interactivity, and learning sustainability. This study employed a qualitative descriptive approach with a case study design to obtain an in-depth understanding of the repository’s function in the context of pre-service elementary teacher education. Data were collected through observations, interviews, documentation, and student response questionnaires. The findings revealed that the digital teaching material repository functions as a learning infrastructure that integrates various learning resources into a structured platform. The repository facilitates lecturers in managing teaching materials, improves students’ access to course content, and supports self-directed learning through asynchronous interaction with learning materials. The integration of multiple learning resource formats and flexible repository navigation encourages students’ active engagement in the learning process.
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