Professoressa universitaria seduta alla scrivania e che usa il computer portatile in classe - Foto e immagini stock

Male teacher in formal wear sitting on desk and holding laptop in classroom

Selective focus of schoolkid with raised hand near classmates

Schoolkids sitting at desks near classmate near chalkboard with class work lettering

Selective focus of upset schoolboy standing near chalkboard and classmate with raised hand

Beautiful young teacher writing with chalk on blackboard

Selective focus of schoolgirl with raised hand near classmates

Selective focus of upset schoolboy covering face while standing near chalkboard and classmate with raised hand

Selective focus of schoolkgirl standing near chalkboard with class work lettering and classmates with raised hands