This research aims of this research to know there was the relationship between students’ interestt in reading and English vocabulary mastery at four grade in Elementary School students at Labschool Setiabudi Jakarta. This research used quantitative method by applying co relational approach. The population of this research is the four grade elementary school students in Labschool, with 60 students as respondents using simple random sampling from 3 different schools, Labschool Rawamangun East Jakarta, Labschool Setia BudiSouth Jakarta and Labschool Kebayoran South Jakarta (Private elementary schools). Hence, the data collection obtained through filling 30 questionnaire items measured with a Likert’ scale and were given 32 test items to all respondents. There is a positive and significant relationship between interest in reading and English vocabulary mastery at four grade elementary school students in 3 Labschool schools in Jakarta. In addition, through the coefficient of determination test obtained, the variant of the English vocabulary mastery is determined by the interest in reading. Then, the conclusion of this research there is a positive relationship between the interest in reading and English vocabulary mastery at four grade elementary school students in threeLabschool private Elementary Schools in Jakarta.
Volume 12 | 04-Special Issue