The objective of this study is to investigate the effect of web based curriculum on high school students’ creativity. The method used in this study was semi-experimental, along with a pre-post test design with the control group. In this study, the statistical population consists of all the girl students in the first level of high school in Birjand. The sample group included 50 students (25 in the control group and 25 in the experimental group) were chosen by an accessible sampling method. Abedi creativity questionnaire was used to collect the data. The score difference of pre-post test of these groups was analyzed by t-test. The results showed that the influence of web based curriculum on the creativity of the experimental group. Considering the four creativity factors, the effect of web based curriculum on fluency, initiative, flexibility and elaboration was meaningful.