This study aims to describe the characteristic owned by slow and fast learners in
SMAN 1 Porong, to know how the teacher teach slow and fast learners and to
explore the challenges experienced by the teacher in teaching English. Design of
this research used descriptive qualitative. The subjects of the study are English
teachers and students SMAN 1 Porong. Data instruments of this research used
observation checklist and questionnaire. Based on the research findings, the
students who were include in characteristic of slow learner there were 7 slow
learners and fast learner there were 11 fast learners. The teacher did well the
teaching learning process. The teacher when teach the class also gave some
different treatment to slow learner. The teacher used mix Indonesian and English
language. The teacher faced challenges due to the lack of motivation in slow
learners, the large number of students in the class, the questions given by fast
learners that are too difficult, requires several times to explain to slow learners,
requires special strategies to teach both of them and difficult to convey the
material. For EFL teachers must learn more to teach English, comprehend about
the characteristic from their student. For EFL students, they can learn English by
memorizing vocabulary or by taking courses that require them to use English in
daily communication. For future researchers should conduct additional research on the difficulties associated with English language teaching.