Vista posteriore di scolaro risolvere equazioni sulla lavagna vicino insegnante e alunni multietnici - Foto e immagini stock

African american teacher reading book to pupils during lesson

Back view of schoolboy solving equations on chalkboard during math lesson near teacher and multiethnic classmates

Schoolboy looking at multicultural classmates while solving equations on chalkboard during math lesson

Back view of multiethnic pupils with hands in air, and teacher standing with open arms near chalkboard with back to school lettering

Back view of schoolboy solving equations on chalkboard near teacher and multicultural classmates

Back view of teacher writing equations on chalkboard near multicultural pupils during math lesson

Back view of multicultural pupils with hands in air, and teacher standing with open arms near chalkboard in classroom

Rear view of schoolgirl writing on chalk board and classmates with teacher sitting in classroom

Pretty student in glasses writing on flipchart with smile

Classroom with wooden desks, chairs, window and flipchart

Selective focus of multiethnic schoolboys sitting near computers during lesson with teacher in stem school

Smiling blonde student in glasses standing near flipchart and looking at friends

African american student in glasses standing near blackboard

Selective focus of smiling teacher looking at camera with kids at background in montessori school

Selective focus of teacher pointing at whiteboard near schoolkids in stem school

Selective focus of teacher using computer near schoolgirls in classroom

Selective focus of kid taking color pencil near redhead child