The current study aimed to identify the effectiveness of a training program in the development of study skills and improvement of English language achievement among the 10th grade students. To achieve the study objectives, a training program was designed and applied to (35) first-grade high school students. The respondents were pre- and post-tested by a list of study skills and English language achievement test. The results showed statistically significant differences in favor of the post-test of study skills and English language achievement, suggesting the effectiveness of the utilized training program. The study recommended the need to train teachers on designing the educational tasks of English language course based on study skills.