Serio joven interno mirando a la mujer de mediana edad científica en el centro de descubrimiento futurista, pancarta - Foto e imágenes de stock

Tutor asks the tutee to find the definition in the textbook, Happy teacher in classroom, Home tutor helping boy with studies using modern laptop

Selective focus of school boy in canteen and teacher on background, panoramic shot

Pupil writing on blackboard with chalk during lesson in classroom

Smiling chemistry teacher in white coat explaining lesson in front of blackboard

Pupil writing on blackboard with chalk during math lesson

Serious teacher in suit standing with crossed arms and looking at pupils

Pupil writing on blackboard with chalk during math lesson

Chemistry teacher in white coat with digital tablet pointing with hand at blackboard

Pensive schoolchild in glasses looking up near blackboard with different professions in speech bubble

Schoolgirl in yellow sweater writing on blackboard with chalk