The present study was undertaken in Kurukshetra city, from where 180 10th grade boys and girls were selected by using cluster sampling procedure. Ex-post facto method was adopted for investigation. The main purposes of the study were to find out the significant differences in the creative ability of high school students belonging to boys and girls, different birth order, nuclear and joint family and to study the interaction effects of these variables on creativity of the students. The result of analyzed data did not show any significant differences at 0.05 level of significance, so it indicated that there was no significant difference in creative ability of high school students belonging to boys and girls, different birth order, nuclear and joint family as a whole. It was also found that there was no interaction effect of these variables on the creativity of the high school students.