Estudiantes prestando atención en una clase, sentados en sus pupitres. - Foto e imagen de stock

Students paying attention in a class, sitting in their school desks.

High school students paying attention in a class, sitting in their desks and writing notes, back to school concept.

Group of multicultural teenage high school students sitting in classroom

Group of high school students having test at classroom.

High school students paying attention in class, sitting in their desks and raising hands.

A portrait of group of university students sitting in classroom indoors, studying

Three high school students at school learning, reading and writing into notebooks.

A portrait of group of university students sitting in classroom indoors, studying

A portrait of group of university students sitting in classroom indoors, studying

A portrait of group of university students sitting in classroom indoors, studying

A portrait of group of university students sitting in classroom indoors, studying

School kids using computer in a classroom at school

A portrait of multiethnic group of university students sitting in classroom indoors, studying.