Using any sort of data collection tools, whether that be excel, online surveys, or phone apps could prove useful for any teacher at any grade level. Collecting data on students allows a teacher to evaluate how students are doing in a class, what material they are picking up and what material they don't understand. For example, in a high school math class, conducting weekly quizzes on an online app would provide a teacher with immediate feedback as to whether the students are understanding the material learned recently, which in turn could determine the future curriculum or material the teacher emphasizes in class. Not only this, but some data collection tools, such as educational apps, can provide immediate feedback for the students, which allows them to know what to focus on while studying. Another example of how data collection could be used in a different context is handing out surveys at the end of a semester in a middle or high school class. Having students fill out surveys, o...