National college health assessment survey the following exercise uses data on college students collected from the american college health association-national college health assessment survey conducted in fall 2011. the survey was administered at 44 colleges and universities representing a broad assortment of types of schools and representing all major regions of the country. at each school, the survey was administered to either all students or a random sample of students, and more than 27,000 students participated in the survey. how accurate are student perceptions