From Textbooks to Technology: Assessing the Effects of Customized Instructional Materials in Enhancing English Language Proficiency Among Wufeng Junior High School Learners, Taiwan

The study aimed to evaluate the effects of customized instructional resources in enhancing English language proficiency among Junior High School learners at Wufeng Junior High School, Taiwan during the school year 2024-2025. The respondents of the study were junior high school students at Wufeng Junior High School, Taiwan. The researcher purposively selects fifty (50) students. The findings revealed that junior high school students' English language proficiency significantly improved after using customized instructional resources. Also, English language proficiency of junior high school students was significantly different before and after the use of customized instructional resources. Then, English language proficiency was significantly improved using customized instructional resources including skill development, collaboration and interaction, feedback and satisfaction, and engagement levels. Moreso, Junior high school students' proficiency in English is significantly correlated with their use of customized instructional resources. Further, customized instructional resources have a big effect on how well junior high school students speak and write English.