This study aims to determine the effect of using e-learning on the metacognitive skills of high school students in learning English. A quantitative approach was used in this study and this research was designed using a quasi-experimental design approach. The method used in this study is quasi-experimental. Research subjects were students of class X high school, totaling 136 students. The subjects of this study were divided into two groups, experimental and control. The data analysis technique used in this study is to compare the two groups. The results of data analysis show that students who are taught by e-learning acquire better metacognitive skills than students who are taught conventionally. The use of e-learning in learning English which is a foreign language learning in high school has an effect on students' metacognitive skills