20s
academic
boy
career
caucasian
child
childhood
class
classmates
classroom
development
early learning
education
elementary
elementary school
female
girl
indoors
job
knowledge
learn
learning
lesson
male
map arms raised
mixedrace
occupation
preschool
profession
projection
projection screen
pupil
school
schoolboy
schoolchild
schoolchildren
schoolgirl
studying
teacher
teaching
using
whiteboard
woman
young adult