Three college or high school students all start using their cell phones at the same time in a classroom
Teacher and three high school or college university students all using their mobile smart phones in a classroom - slow motion
Students and teacher gather around phone in science or math classroom (slow motion)
Professor and three high school or college university students all take out and start using their mobile phones in a classroom to look up something on the internet
Crane up of three students having a discussion in a college or high school classroom
High School Students And Teacher In Classroom
Students working with teachers and assistants learning math and science in a college or high school classroom
Three students having a discussion and talking to each other while holding mobile phones in a college or high school classroom
Three college or high school students learning math and science with a teacher in a classroom using pens, pencils, and paper notebooks in slow motion
Teacher with a group of high school students in classroom
Student solves chemistry problem with teacher's help in a classroom
College students in school uniform preparing for the beginning of the lesson. High school students in the classroom