The Effectiveness of Tonglish Application in English Language Learning for Elementary School Students

\nEnglish language learning in primary schools has an important role in forming the basis of foreign language skills for students, and early mastery of English is considered a worthwhile educational investment for the future. However, challenges in English learning at the primary school level are often related to low student motivation, conventional teaching methods, and limited teaching resources. This study aims to evaluate the effectiveness of Tonglish application in English language learning in elementary schools. The app is designed to improve students’ English skills through interactive features such as vocabulary quizzes and learning videos. This research uses quantitative experimental method with a True Experimental Design, namely Pretest-Post-test Control Group Design. Two groups of students from grade 5 of SD Muhammadiyah Ambarketawang 2 were randomly divided into an experimental group and a control group. The experimental group used the Tonglish app for two meetings, while the control group did not use the app. Data were collected through a pretest and post-test consisting of 30 multiple-choice questions on? The results showed that there was a significant difference between the English scores of students who studied using the Tonglish application compared to those who did not. The average score of students who used the Tonglish app was 84.40, while students who did not use the app were 51.40. What about the statistical result showing the significance of the implemented app?; Then there should be hypothesis testing? The use of the English app significantly improves elementary school students’ learning outcomes in English subject.\n