20s

actions

and

asian

boy

caucasian

child

children

class

classroom

close

copying

down

education

elementary

female

girl

happy

head

imitating

indoors

knees

learning

lesson

listening

lock

male

mixed

old

people

person

primary

pupil

race

school

schoolchildren

seven

shoulders

singing

sitting

smiling

song

student

teacher

teaching

toes

together

touching

twenties

up

woman

women

year