The aim of the study is to find out what learning strategies used by EFL students achieving high academic scores. The research was conducted in April 2020 to EFL students achieving high academic scores in class XII SMK Bhakti Husada Sumpiuh. The sample was six students and the method of the research was case study mixed methods research. This study found that EFL students used all the language learning strategies, but from the analysis it can be seen students’ learning strategies on each aspect were memory strategies (89%), cognitive strategies (72%), compensation strategies (93%), metacognitive strategies (71%), affective strategies (83%), and social strategies (87%). The students also used many activities to improve their English skills and achieve their learning goals.