The school is one of three high schools in the Columbia Public School District, with admission based primarily on the locations of students' homes. Hickman is one of the largest high schools in Missouri and has been called the largest in terms of athletic and academic competition.
Aversives can vary from being slightly unpleasant or irritating (such as a disliked color) to physically damaging. It is not the level of unpleasantness, but rather the effectiveness the unpleasant event has on changing behavior that defines the aversive.
Commonly it's food, but you could have an aversion to black and white movies, driving with the windows open, or taking calls from salespeople. An aversion is also the person or thing that is the object of such intense dislike: her aversions included all kinds of vegetables and fruits. This noun is from Latin avertio, ultimately from avertere to turn away, from the prefix a- from plus vertere to turn.. Near synonyms are repugnance and antipathy.