ESL material and textbooks play a very important role to guide teachers so they can guide students and improve their learnings. In this regard, the present study was conducted to examine the relationship between knowledge, skills, awareness, creativity, and effectiveness. Additionally, the present study also examined the mediating effect of creativity. For this purpose, data was collected from the faculty members of institutes dealing with teaching the students as a second language through questionnaires distributed among 300 teachers. A total of 250 questionnaires were received back, out of which 220 were usable questionnaires, showing a usable response rate of 73.3%.  The data collected was initially screened through SPSS and later PLS was used for its further analysis. The findings of the study show that there exists a positive relationship between knowledge of the teacher and creativity, skills of the teacher and creativity, awareness of the teacher and creativity. Moreover, the link between creativity and effectiveness was also found positive. The study findings also confirmed the mediating role of creativity among knowledge, skills, awareness, and effectiveness. The findings of the study fill several theoretical and practical gaps mentioned. Moreover, this study would also be helpful for academicians and policymakers.