Un grupo de jóvenes de pie en la unidad, escuchando a su maestro en un ambiente brillante y animado en el aula. - Foto e imágenes de stock

Cheerful teacher with digital tablet walking along school corridor with teenagers

Cheerful african american teacher pointing with hand while talking to multiethnic kids in school corridor

Happy boy gesturing and chatting with classmate in school hallway, teenage students with devices

Happy teenagers talking in classroom, back to school, classmates communicating during school break

Positive african american teacher gesturing while talking to multicultural pupils in school hall

Cheerful multicultural kids walking in school corridor with african american teacher

Back to school, happy teen students waving hands and looking at classmates during new school year

Cheerful asian child holding digital tablet near friend and classmates