This study aims at recognizing the extent of the popularity of the first-grade students’ pronunciation errors in the governmental and private schools in Nablus highlighting the impact of gender mainstreaming, years of experience, qualifications and specialty in the popularity of the first-grade students’ pronunciation errors. In order to achieve the aim of the study, a random stratified sample is chosen consisting of (156) female and male teachers upon whom a questionnaire, which consists of (29) item, is performed. Also, they are answered using Fifth Likert Scale (hereinafter referred to as ‘FLS’). After performing of the tool of the study, results show that there aren’t statistical differences in the popularity of the first graders’ pronunciation errors according to the variable of experience, qualifications and specialty. However, there are statistical differences in the variable of gender mainstreaming in favor of female teachers. Finally, the researchers recommend giving a high priority to prepare teachers, training them and developing their professional skills in order to enable students to read and write without having any pronunciation errors. Key words: Pronunciation Errors, Arabic Language & First grade.