Male teacher and three students all take out their mobile phones at the same time in a college or high school classroom
Teacher and three high school or college university students all using their mobile smart phones in a classroom - slow motion
Three college or high school students all start using their cell phones at the same time in a 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
College student holding her robotic toy at robotics classroom at school.
A large group of students during the break communicate with each other in the classroom. Modern College students communicate
Medium full shot of three ethnically diverse elementary school students standing around male African American teacher and having discussion in school classroom at daytime
High School Students And Teacher In Classroom
College or University professor leading a discussion with his students while looking at his mobile phone in a classroom in slow motion
Two college or high school students looking at a digital tablet together in a classroom while working on an assignment
Male High School Student Checking Messages On Mobile Phone Outside College Buildings
Female High School Student Checking Messages On Mobile Phone Outside College Buildings