Female school teacher sitting with two primary school kids, helping a boy with his work, close up

indoors day three people boy girl pre-teens woman adult young adult 30s millennial caucasian black african american ethnicity multi-ethnic group teacher kids children pupils schoolchildren schoolboy schoolgirl school kids sitting at table working learning teaching helping pointing communication talking holding pencil writing concentrating classmates education elementary school primary school classroom lesson knowledge attention waist up close up selective focus desk pencil holder pencils slow motion handheld