This study aims to find out the students’ perceived impacts of school-wide English language policy on their English speaking ability. The study employs qualitative methods and questionnaire technique to collect data from thirty students at Darul Ulum Modern Islamic Boarding School. The findings showed that all respondents have a positive view toward English language policy because it assists them to increase their English speaking ability. Almost all students agree that the English language policy provides many benefits for them when used in the policy of practicing speaking and is a very effective policy because it makes it easier for them to speak English. Furthermore, during the implementation of this policy, students can build the motivation and confidence to speak English fluently, practice orally through daily communication, and create a good English learning environment.