Retrato del sonriente profesor hispano de mediana edad en gafas de pie con libro abierto en el aula - Foto e imágenes de stock

Senior woman teaching mathematics while standing near the whiteboard and gesturing

Cheerful senior woman pointing whiteboard while standing at the classroom

Young teacher of Eastern appearance sits at a desk in a classroom and suffers from pain in the joints of the wrist. Overwork at work worsening health pain in the arms and hands. Occupational disease

Smiling elegant woman in glasses is standing at blackboard and explaining equation to pupils in class room

Waist up portrait of young female teacher looking at camera and smiling while standing by blackboard in school classroom, copy space

Hispanic teacher with hairbun pointing at whiteboard while working with kids in classroom

African American teacher pointing at blackboard and discussing new material with student together during lesson

Warm toned waist up portrait of young female teacher looking at camera while standing in school classroom, copy space

Smiling African American teacher writing formulas on blackboard during lesson

Portrait of young female teacher looking at camera and smiling while standing by blackboard in school classroom, copy space

Horizontal medium long portrait of modern professional psychotherapist wearing eyeglasses holding digital tablet

Portrait of young Mixed race teacher with stubble pointing at whiteboard while explaining new material and shooting video