Enfoque selectivo de los escolares de pie cerca de pizarra con letras de trabajo de clase y compañeros de clase con las manos levantadas - Foto e imágenes de stock

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

Back view of teacher writing on chalkboard near multiethnic pupils during lesson, horizontal image

Rear view of group of students raising hands in class on lecture

Preschool education. Students at school play interesting games with the teacher for the purpose of education. High quality photo

Selective focus of schoolkid with raised hand near classmates

Selective focus of male student raising hand in classroom

Selective focus of male student sitting at desk and raising hand

Young student standing with female teacher and looking at laptop

Female lecturer standing at desk near chalkboard with equations in class

Selective focus of dissatisfied female teacher looking at male student taking crib during exam in classroom

Selective focus of smiling female teacher pointing at chalkboard with hand while male student looking at classmate

Male student holding book near smiling female teacher in classroom

Selective focus of female teacher explaining lesson material while male student looking at classmate