This study aimed to investigate the preparation of Saudi high school English language teachers and determine whether they needed in-service training programs or not. A 28-item questionnaire was distributed to all 49 English language teachers in Al-Kharj Province 27 schools in the Kingdom of Saudi Arabia. The results revealed that 64% of the English teachers were not will prepared by their undergraduate programs to be good English language teachers. The results also revealed that the teachers did not revive enough methodology courses and thus lack content-based knowledge about how to teach language. The study also investigated teachers do not attend in-service programs or workshops for many reasons. Finally, the study presented some suggestions and implications for the development of Saudi English language teachers' skills. Also, it provided some suggestions to the Ministry of Education to review the procedures and requirements for hiring English language teachers.