Background: Literature review suggests various preparatory materials include instructor-prepared handouts, literature articles, textbook sections, PowerPoint slide set with audio, prerecorded lecture, and video for students pre-class preparation in a TBL setting. Although there are multiple kinds of pre-class preparatory materials, and there is great variance in how well students learn content out of the class, which is crucial to designing and preparing pre-class materials, there are no empirical and controlled research studies on the best strategies to provide the necessary pre-class content instruction._x000D_ _x000D_ Aim: Review and analyze the faculty approaches and attitudes towards pre-class learning materials for disciplines taught in a TBL setting._x000D_ _x000D_ Methods: Survey questions using Likert scale followed by open-ended questions were designed for this quantitative and descriptive study. Study population included faculty and instructors who had been teaching in TBL settings in disciplines including but not limited to pharmaceutical, clinical and socioeconomical sciences as well as business, law, mathematics and English. All data was derived from online survey results._x000D_ _x000D_ Results: Anonymous survey containing 17 questions was sent to 210 faculty and instructors of k-12/high school or equivalent, undergrad and post grad institutions with TBL. Based on the survey results, 'Guided handout' was ranked by faculty as the most effective pre-class material for facilitating students learning. About 80% of faculty said that they had almost always (more than 75% of times) assigned guided handout as a pre-class material to their students. Also, results of survey showed that 'Level of student engagement' and 'Development of critical thinking' were ranked by faculty as two most important factors in preparation of pre-class materials._x000D_ _x000D_ Conclusion: Results of this study can be implemented in designing pre-class learning materials at TBL institutions to improve students pre-class readiness more effectively.