Abstract:The objective of this research was to identify and analyze different factors influencing academic achievement. A survey was conducted by using a questionnaire for information gathering about learning preferences, entry qualifications, class size, number of hours studying, student's competence in English, gender, age, family income, parents' education level and students' area. The result of their first-grade annual examination gauged the academic performance. Pearson's correlation coefficient, multiple regression analysis, independent samples t-test and non-parametric test were used to analyze the data collected. The estimated effect of studying indicates that student's learning preferences, number of daily study hour and secondary average positively affect student's achievement, also, English language level has a positive influence on students' academic performance. The results show that female perform better than male students and married students realize significantly more academic success than single. While, class size, age, residential area of student, family size, family income and parents' education level have no significant influence.