These instructors provide training lessons to adults and children by giving demonstrations in front of the class in order to teach new moves to the students. (sample-resume-download.com)
I had been standing in front of the class for about three minutes. (theabundantartist.com)
Just because schooling has traditionally been delivered by a teacher stood in front of a class of about 30 doesn't mean that is the optimum way to do it. (newscientist.com)