Male teacher and three students all take out their mobile phones at the same time in a college or high school classroom
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
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)
Crane up of three students having a discussion 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
College students in school uniform preparing for the beginning of the lesson. High school students in the classroom
High School Cut Aways Cell Phone Student
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
Students working with teachers and assistants learning math and science in a college or high school classroom
College student talking on cell phone
Three Male High School Students Sitting Around Table In Classroom During Lesson