Students working with teachers and assistants learning math and science in a college or high school classroom
Male student raising his hand to answer a question from his teacher in a high school or college classroom
A college professor teaching his students
College professor teaching his students
A college professor teaching his university students
College student learning
College professor assists three of his students with project
male professor is examining students online by chat on laptop, asking and giving grades, distant learning in University, college and school
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Caucasian male professor in explaining material to students in Teaching concept. Man teacher at college talking at seminar. Teach and learn
Young student exploring college life
Teacher asking her students a question at the elementary school and child boy raised his hand to write the answer on the board. Learning process at school.