40s
assisting
attentive
back to school
casual clothing
caucasian
chair
childhood
class
classroom
communication
desk
development
education
elementary
elementary school
female
guidance
hands raised
indoors
intelligence
interacting
kids
knowledge
learn
learning
mature adult
primary
school
schoolboy
schoolchild
schoolgirl
student
study
studying
talking
teacher
teaching
whiteboard
woman