The present study aimed at investigating the effectiveness of video captioning  to enhance EFL secondary school students sociolinguistic competence. The study followed  a quasi-experimental one group design. The participants were 30 first secondary school students at Yasser Freij Issawi Martyr Lieutenant –Colonel secondary school at Shebin Elkom, Menoufia Governorate during the second semester the academic year 2021/2022. To identify the most important and required sociolinguistic competence components for the participants,  a checklist of sociolinguistic competence components was  developed and validated by 10  EFL Jury  members. A  pre- and a post communicative  competence  test  was developed . Communicative competence rubric was adopted to grade and analyze  students EFL sociolinguistic competence components. Finding of the study revealed that there was a statistically significant  difference  at 0.01 in the post assessment  of sociolinguistic competence  test in  favour of the post-assessment. The study hypotheses were verified. Consequently, video captioning was effective in  enhancing  EFL  competence  among secondary school students.