© Girl raising hand in classroom

© Girls taking notes in classroom

© Girls studying in classroom

© Male teacher teaching girl in classroom

© Male teacher teaching girl in classroom

© Male teacher assisting girl in classroom during lesson

© Teenage boys in classroom

© High angle view of female teacher writing on board while male educator sitting with students at desk in classroom

© Teacher looking at boy and girl using digital tablet in classroom

© Young woman showing flipchart to friends and professor in classroom

© Business people looking away in creative office

© Teacher assisting male student in making project at school

© Portrait of confident male high school student in workshop

© Group of business people discussing in board room

© Teenage girl with cell phone in classroom

© Teenage girl with cell phone in classroom

© Confident teacher teaching students in classroom at school

© Confident teacher explaining students in classroom at school

© Teacher asking to students seen from entrance of classroom

© Concentrated students studying at desk in classroom

© Teacher discussing with boy while pointing in classroom at school

© Smiling girl studying at desk in classroom

© Girl assisting friend while studying in classroom at school

© Serious boy studying while sitting in classroom at school

© Side view of students writing on paper at desk in classroom