Positive Oberlehrerin lehrt erhobenen Zeigefinger in der Klasse unterrichten Schüler in einer Schulklasse. Bildungsstudie an der Lyzeum-Universität. - Stockfoto & -bild

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Professor pointing at green board with math equation in classroom

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Friendly young student or teacher holding files leaning against a blank chalkboard with copy space with a happy smile

Teacher standing at blackboard and teach

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Teacher conducts a lesson at school. Young friendly Caucasian female teacher stands in the classroom by the blackboard with a book in her hands and tells something interesting to the little students.

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Portrait of female teacher in online math class. Computer screen web cam view of happy beautiful young woman sitting at desk near classroom board, having virtual algebra lesson and smiling at camera

Back to school. Woman teacher smiling points to a blackboard while standing in a modern school class. Education.

Back to school. A woman teacher waving looks at the camera teaching while sitting on desk on the background of a school board in a school class. Education.

A schoolgirl with glasses is smiling on the background of the school blackboard. Learning education studying at school lyceum college for children.

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Education, elementary school, learning, gesture and schoolchildren concept. Happy smiling schoolgirl kid showing thumbs up stand at desk in classroom with classmates writing in notebook on background