Insegnante donna insoddisfatta in piedi vicino alla lavagna e parlare con lo studente in classe - Foto e immagini stock

Female professor pointing at chalkboard with equations during lesson

Student in glasses sitting at desk and looking at notebook near teacher

Female teacher standing in formalwear and looking at student in classroom

Female teacher pointing at equations while student standing near chalkboard

Female teacher looking at young student in classroom with chalkboard on background

Female professor pointing at equations to student in classroom

Female teacher sitting at desk and pointing at something in classroom

Young pensive asian student boy in classroom with friends

Selective focus of happy schoolkid pointing with finger at upset schoolboy, bullying concept

Beautiful young teacher writing with chalk on blackboard

Young asian student boy waving hand in classroom with friends

Selective focus of schoolkgirl standing near chalkboard with class work lettering and classmates with raised hands

Schoolkids sitting at desks near classmate near chalkboard with class work lettering

Selective focus of schoolkid with raised hand near classmates

Selective focus of schoolgirl with raised hand near classmates

Selective focus of cheerful schoolboy pointing with finger at frustrated classmate near schoolkids in classroom, bullying concept