students learning in classroom

woman class teacher background internetlesson onlinecourse classroominterior teenagertalking girlstudying academiclife mobiletechnology youngadult laptop consultingnetwork peoplereading ladycomparing academy teacherteaching desktop grouplooking friendexplaining preparingexam studentcoworking teamorganizing videolecture desk institutelifestyle guychecking classmatesspeaking smilinghappy boysearching watchingtutorial universitycampus browsingweb pc commenting usingcomputer schoolroomindoor collegeeducation teamwork