Afryki amerykański nauczyciel wskazuje na mówienie nastoletnich uczniów podczas lekcji - Zdjęcie stockowe & obraz

Rear view of african american teacher and high school teenage students in classroom

Smiling african amercan boy wide arms sitting at table in classroom with schoolchildren

Male College Tutor With Digital Tablet Teaching Class

Side view of schoolchildren sitting in row and teacher at table with laptop in classroom during lesson

Cropped image of teacher with schoolgirl and classmates sitting at desks

Multicultural high school students doing fist bump and classmates behind in classroom

Elementary Classroom of Children Listening Attentively to their Teacher Giving Lesson. Everybody Raises Hand Knowing the Right Answer. Young Kids in School Learning Science and Creative Thinking

Rear view of young students sitting in classroom during lesson

Young students greeting each other in classroom

Pupils raising hands on lesson to answer teacher question

Rear view of students listening to teachers lecture at college

Teacher walking by classroom during lesson and talking to little schoolboy

Cute elementary kids with books at school

Happy multiethnic classmates standing around teacher at classroom

Rear view of multiethnic students listening to teachers lecture at college