Senior wiskundeleraar die wiskunde uitlegt aan een groep studenten die wit bord gebruiken in de bibliotheek. Groep van multi-etnische studenten begrijpen concept met behulpzame volwassen professor. Leraar geeft les aan een groep jongens en meisjes in de bibliotheek. - Stockfoto’s en -afbeeldingen

Senior woman teacher working with college students in library. Graduates consulting with their lecturer informally during a break in library. Group of students studying with their professor.

Senior teacher helping young african man at the library with friends. Group of university guys and girl sitting at desk while mature professor helping them in reading hall. Group of multiethnic high school students studying with lecturer.

Woman leads courses on improvement of work skill. group session. professional training and communication

Smiling student holding notebook near blurred african american friends in university

Girl in amphitheater showing her working task to her professor

Group of university students doing class assignment in the library. Multiethnic young men and women reading reference books for study. Group of college students studying for exam at college library.

Back view of grey-haired woman teacher stading at classroom and talking to high school students.

Asian student talking to friend near devices and notebooks in university

Professor pointing at college student with hand raised in classroom. Student raising a hand with a question for the teacher. Lecturer teaching in class while girl have a question to do during a math lesson.

High school teacher with a group of students teaching in classroom. Group of students studying with the lecturer at school. Young students listening to professor in college classroom during lesson.

Happy mature professor helping student girl with her doubts while studying in class with friends. Smiling teacher in high school helping university student during exam. Group of young college classmates in classroom with helpful teacher during lectur

Group of guys and girls doing class assignment in the library. Young university students reading reference books for study. Group of high school students studying for exam in classroom sitting in a row.

Professor assisting college student with laptop in classroom during computer lesson. Teacher talking and explaining something to guy sitting at desk. Mature man lecturer helping high school young man with laptop during lecture in university.

Secondary student being helped by professor during class. Mature man lecturer helping young woman during class test. High school girl in a lecture asking for explanations to helpful teacher.

College student listening to lecture in classroom. Young woman concentrating in classroom with books. Girl attending seminar at high school and thinking while looking away.

Portrait of mature teacher standing in university library and looking at camera with copy space. Happy mid adult lecturer at classroom standing after giving lecture. Satisfied high school teacher smiling and looking at camera while his studets studyi