Focus on pensive schoolboy looking at grammar rules on whiteboard
The people at Business Meeting in the conference hall.
Watching movie in English at foreign language school
Young confident brunette woman making presentation of secret information
Inspiring Young Woman Stands Before Knowledge
Confident professor or school teacher looking in open book at lesson
Three young Muslim businessmen sitting in armchairs at seminar or training
Three attentive businessmen listening to speaker at seminar
Cropped shot of confident teacher of music with clipboard standing by whiteboard
Confident teacher of geometry pointing at drawing of triangle on blackboard
Focus on mature male officer in formalwear standing by interactive screen
Cheerful male tutor holding a sign with 'Lesson 2' in a library setting
Group of cute intercultural schoolkids looking at teacher during presentation
Young serious teacher of college or university drwing triangle on blackboard
Confident geometry teacher in formalwear pointing at blackboard with formulas
Teacher with tablet giving instructions to group of schoolkids
Back to school. Children engaged in a reading session at a community center during the afternoon
African American man in blue shirt standing by whiteboard with musical notes
Mature man in camouflage uniform standing by female clinician
Children engaging in thoughtful discussion in a classroom setting during activity time.
Sustainable Environmental Ecology Nature Recycle Planet
Young brunette female researcher looking at notes in notebook
Young successful teacher of music with document pointing at whiteboard
Row of Muslim businessmen in formalwear attending seminar
Mature male teacher or officer making presentation of machine gun
Teacher explaining grammar rules
Young successful teacher pointing at whiteboard and explaining new information
Confident teacher of geometry pointing at triangle on blackboard
Focus on laptop screen with English teacher explaining new grammar rules
Rear side of Video Cameraman taking photograph to Asian Speaker with casual suit on the stage
