Ref.:
Role-play (performance or shared) – This is where a pair or a group of students is asked to play out their situation in front of the rest of the class, who are given the task of observing and monitoring, and it can be for assessment. Though probably the most common form of role-play in adult training programs, this is less useful in primary drama for several reasons:
http://www.artspop.org.au/drama-drama_glossary/index.html

To refer to the playing of roles generally such as in a theatre, or educational setting;