B1
a person who is being taught, especially in a class
Dictionary examples:
The pupils giggled when their teacher's wig fell off during the lesson. (0.0)
The clever pupil invented a homework-eating robot for the science fair. (0.0)
The forgetful pupil came to swimming class with books instead of a swimsuit. (0.0)
elementary school pupils (21.4)
She's a former pupil of mine. (23.4)
The number of pupils in the school system is growing. (26.0)