This study determined the effectiveness of video lessons in improving the performance of the students in mathematics 8 at Guruyan National High School (GNHS), Juban II District in the Division of Sorsogon Province, school year 2021–2022. The respondents of the study were the 30 students who are officially enrolled at Guruyan National High School and 5 Mathematics experts who validated the video lessons. This study employed descriptive-developmental method since it determined the following: (a) level of performance of the students in the pretest and post test result, (b) experts’ validity of the video lessons using DepEd LRMDS criteria and the (c) difference between the pretest and posttest scores before and after the utilization of the video lessons. Moreover, the development and evaluation of the video lessons focused on the developmental process of video lessons designed by the researcher. Findings revealed that the video lessons are effective on all corners of the classroom in which educators can use it to create time and space for active learning. This suggest that the teaching and learning will come up to greater heights of performance on the part of the students and contentment on the part of the teachers. A video lesson can be developed and utilized to improve the performance level of the students in Mathematics.