Vista parziale di due studentesse multiculturali che scrivono sulla lavagna isolate sul bianco - Foto e immagini stock

Female hand writes on blackboard close-up

Cropped view of african american teacher writing on chalkboard

Cropped view of two multicultural schoolgirls writing on chalkboard isolated on white

Hand writing on blackboard in class room

Panoramic shot of schoolchild holding chalk near chalkboard on green

Panoramic shot of man writing with chalk on blackboard

Cropped view of schoolgirl writing with chalk on green chalkboard

Back view of senior lecturer writing something on blackboard with piece of chalk

Side view of african american teacher writing on chalkboard

Back view of african american schoolgirl writing on chalkboard while holding book