Teacher kneeling down to help a boy at his desk, shot on R3D

two people man adult 20s kid child boy incidental people hispanic ethnicity african american ethnicity black diversity education school classroom multi ethnic group lesson student pupil schoolchildren schoolgirls schoolboys school kids profession teacher communication kneeling squatting learning teaching helping interest attention talking explaining listening maths childhood knowledge elementary school primary school whiteboard glasses smart casual clothing tie usa low angle view back view handheld