This study systematically examines the application of the Contextual Teaching and Learning (CTL) model in improving students’ mathematical problem-solving skills. Through a Systematic Literature Review of articles indexed in SINTA 1–6 from 2021 to 2026, a total of 25 studies were identified that discussed the effectiveness of CTL in mathematics education across various educational levels. The search was conducted in a national database using a combination of keywords: Contextual Teaching and Lea