Waist-up portrait of dark-haired Caucasian male biology teacher standing in classroom at daytime, looking on camera
Medium long of male Caucasian teacher walking between desks, giving exam sheets to high school students in classroom at daytime
Medium long tracking of male Caucasian teacher walking between desks, giving test sheets to students in classroom at daytime
Medium long of diverse high school students standing around male teacher who sitting at desk in classroom, using laptop computer in afternoon
Medium of blue-eyed Caucasian male biology teacher speaking and writing on blackboard in classroom to invisible students in morning
Medium close up of male African American teacher standing in front of blackboard in classroom giving lecture on programming at daytime
Long side-view of bearded male biology teacher talking to multiethnic teenage students who sitting at desks in classroom
Medium long of diverse high school students clapping hands, standing around male teacher who sitting at desk in classroom, using laptop computer in afternoon
Medium portrait of two female and male students sitting at desk in classroom, their male bearded chemistry teacher standing behind, all in white gowns at daytime
Medium long of bearded male biology teacher holding image of frog anatomy, talking to unrecognizable students who sitting in classroom
Medium long of two female and male detectives working with evidence in plastic bags, standing at desk in office at daytime
Wide shot of male Caucasian teacher giving test sheets to students who sitting at desks in classroom at daytime