Profesor afroamericano en máscara médica de pie con los brazos cruzados en el aula, pancarta - Foto e imagen de stock

Smiling student girl wearing school backpack, mask and holding exercise book. Social distanting and classroom safety during coronavirus epidemic

Smiling student girl wearing school backpack, mask and holding exercise book. Social distanting and classroom safety during coronavirus epidemic

African american woman in medical mask standing with crossed arms near multiethnic children

African american teacher in medical mask gesturing during lesson in classroom

Back view of schoolgirl with raised hand and teacher with pointing stick near chalkboard with back to school lettering

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

Selective focus of schoolgirl in protective mask showing thumb up, and teacher standing near chalkboard with back to school lettering

Schoolgirl in medical mask reading book near devices in classroom

Selective focus of schoolgirl in medical mask looking at camera, and teacher standing near chalkboard with book

Selective focus of schoolgirl in medical mask holding pen and looking at camera, and teacher with book near chalkboard

Selective focus of bored schoolgirl in protective mask looking at camera, and teacher standing near chalkboard with back to school lettering

Back view of schoolgirl, and teacher in medical mask writing on chalkboard

Selective focus of displeased schoolgirl in protective mask showing thumb down, and teacher standing near chalkboard with book

Selective focus of frowning schoolgirl in medical mask holding pen and looking at camera, while teacher standing near chalkboard

Schoolkid in medical mask writing on notebook in classroom

Blurred teacher checking temperature of multiethnic pupils in medical masks with pyrometer

Selective focus of schoolgirl in protective mask looking at camera, and teacher near chalkboard with book