academic
adorable
arms crossed
back to school
boy
caucasian
child
childhood
class
classroom
cute
development
dressing up
early learning
education
elementary
elementary school
frowning
indoors
intelligence
intelligent
knowledge
learn
learning
lecturer
lesson
male
portrait
posing
pretending
primary
pupil
school
schoolboy
schoolchild
serious
standing
stern
student
teacher
tutor
unsmiling