Reading and writing literacy constitute the primary foundation of Indonesian language learning for lower-grade elementary school students. Strong literacy skills play a crucial role in supporting students’ academic success at subsequent levels of education. However, various studies indicate that the reading and writing literacy abilities of elementary school students in Indonesia remain relatively low. Therefore, a comprehensive review is required to map research findings related to efforts to improve reading and writing literacy in Indonesian language learning. This study aims to systematically analyze national research findings on reading and writing literacy among lower-grade elementary school students. The method employed is a Systematic Literature Review (SLR) by analyzing 13 national journal articles indexed in SINTA 4–5 and published between 2015 and 2024. The SLR process was conducted through the stages of planning, implementation, and reporting, using strict inclusion and exclusion criteria. The results of the review indicate that the implementation of innovative learning strategies, the use of contextual media, and activity-based literacy approaches are able to significantly improve students’ reading and writing skills. These findings provide important implications for elementary school teachers in designing Indonesian language instruction that is oriented toward strengthening basic literacy skills.
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