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Surveying a Representative Sample Population

"Is there a recommended sample size or number of students that should be surveyed?"

Our rule-of-thumb recommendation about sample size is that you should plan to have at least 75% of all students complete the survey. Of course, sample selection is also a consideration. You'll want to ensure that a broad spectrum of students (e.g., different grades, sex*, cultural backgrounds, academic performance, etc) are invited to participate. 

Many schools like to use the confidential Tell Them From Me survey as a way of gauging the opinions of students who are disengaged, or at risk, and are unlikely to express themselves in a different forum.

* For surveys, the term "sex" stands for the biological sex of the person at birth, not the "gender" that the person may identify themselves with.