Schoolboy explaining about windmill in front of his classmates
Front view of teacher and schoolboy discussing over digital tablet in classroom at school
Middle aged female teacher giving lesson to teenage college students sitting at table
Side view of schoolkids raising hands while sitting at desk in classroom of elementary school
Male firefighter teaching schoolboy about fire safety in classroom of elementary school
Happy teacher looking and smilling at the camera while school kids relaxing themselves
Teacher teaching student while others scholl students working on computer
Front view of schoolkids raising hands while teacher teaching anatomy at desk in classroom
Meeting, conversation of female teacher and girl college student in educational center
Schoolkids studying about green energy and recycle at desk in classroom of elementary school
Meeting, conversation of female teacher and girl college student in educational center
A young woman reads a book at home, sitting in her living room. Concept of rest, relaxation.
Rear view of school kids raising hand and sitting at desk in elementary school
Caucasian teacher discussing about green energy and recycle with students
Schoolgirl explaining to his classmates the functioning of body human thanks to a dummy skeleton
Male teacher explaining skeleton model in classroom of elementary school
Female teacher teaching student on laptop in school library
Teacher and happy student standing together and looking at camera in classroom
Teacher holding a dummy skeleton while a schoolgirl touching his lungs in classroom at school
Teacher teaching how to use a laptop to his pupils in classroom at school
Front view of a teacher and school kids discussing over laptop in classroom at school
Middle aged female teacher giving lesson to teenage college students sitting at table
Front view of teacher discussing about green energy while students studying in classroom
Male teacher using digital tablet in classroom
Front view of a male teacher teaching kids on laptop in classroom of elementary school
Front view of female teacher and schoolkids reading a book while lying on floor of school library
Side view of school teacher holding digital tablet and teaching in a classroom
Schoolkids with teacher standing in row in corridor of elementary school
Back to School written on classroom chalkboard
firefighter teaching to schoolgirl about fire safety in classroom
