Placement exam
Overview
 
In many countries, including the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, it is not unusual for students to take a placement exam in a subject such as mathematics upon entering middle
Middle school
Middle School and Junior High School are levels of schooling between elementary and high schools. Most school systems use one term or the other, not both. The terms are not interchangeable...

 or high school
High school
High school is a term used in parts of the English speaking world to describe institutions which provide all or part of secondary education. The term is often incorporated into the name of such institutions....

 to determine what level of classes they should take. Typically, students are then placed on a tracking system determined by the class they are approved to enter - for example, if a student takes music theory
Music theory
Music theory is the study of how music works. It examines the language and notation of music. It seeks to identify patterns and structures in composers' techniques across or within genres, styles, or historical periods...

 to students whose knowledge in that area is more advanced than what a typical entering freshman's would be in those subjects.
 
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