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Student raising her hand in an engineering class while professor is at the white board writing about chemical bonds
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1970s MAN TEACHER POINTING TO RAISED HAND TEEN CLASSROOM STUDENTS SEEN FROM BEHIND LOOK TO CHALKBOARD WORLD MAP HISTORY CLASS
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Two women sitting in classroom with focus on African American woman raising hand
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High school teacher standing in front of class, answering question
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The word research against college students raising hands in the classroom
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Portrait of smiling young college students raising hands in the classroom
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Rear view of students with hands raised with a teacher in the classroom
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High school math teacher calls on students to solve a problem.
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Rear view of students with hands raised in the classroom
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School children and their teacher in a high school class
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Side view of a young female student raising hand by others in the classroom
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Close up of a young male student raising hand by others in a row at the classroom
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Student raising hand to ask question in college classroom
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Students raise their hands to solve a problem in algebra class.
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Young male student raising hand by others in the college classroom
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Woman raising hand during exam in exam hall in college
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Rear view of students with hands raised with a teacher in the classroom
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College student with hand raised in university lecture hall
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School children and their teacher in a high school science class
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The word success against college students raising hands in the classroom
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The word degree against college students raising hands in the classroom
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The word skills against college students raising hands in the classroom
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The word study against college students raising hands in the classroom
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Student raising her hand to give an answer in a classroom
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