Female school teacher using tablet computer in class with infant school children, over shoulder view

indoors day four people girls boys adult young adult woman 20s millennial african american ethnicity black caucasian mixed race person multi-ethnic group teacher kids children pupils schoolchildren schoolgirls schoolboys school kids classmates smiling sitting in a circle using computer tablet computer learning teaching listening childhood education working classroom lesson nursery school infant school kindergarten interested attention technology communication connection waist up selective focus close up over shoulder view slow motion handheld