Duolingo App's Impact on Teaching English: Students' Perspective, Al-Sulayyil Case Study

This research aims to investigate how the Duolingo application impacts the learning of English language skills among female high school students at Al-Sulayyil First Secondary School for Girls in the Riyadh region, Kingdom of Saudi Arabia. The study focuses on assessing the effectiveness of Duolingo in enhancing writing grammar, correct pronunciation of vocabulary and sentences, and speaking fluency skills. The research employed a quantitative approach and utilized questionnaires as the primary data collection instrument. The researcher designed it as a case study, allowing for an in-depth examination of the phenomenon within its real-life context. The researcher selected 158 female high school students as the participant pool and conducted data collection through electronically distributed questionnaires. Statistical analysis using descriptive statistics to analyze the data and address the research objectives. The findings reveal that Duolingo has a significant positive impact on enhancing students' grammar writing, pronunciation, and speaking skills. Students reported improvements in their understanding of grammar concepts, their ability to construct grammatically correct sentences, and their speaking fluency after using Duolingo. The platform's interactive features, clear explanations, and engaging exercises contribute to its effectiveness in facilitating language learning. Based on these findings, the research provides recommendations for integrating Duolingo into the curriculum and optimizing its use for language education. Future research directions include exploring the long-term effects and conducting comparative studies to further understand the role of technology-assisted language learning in educational contexts.