1
6
6-7
7
a
abc
alphabet
appearance
being
beings
blackboard
blackboards
boy
boys
casual
caucasian
caucasians
chalk
child
children
class
classroom
classrooms
clothing
color
colour
confidence
confident
content
education
elementary
european
first
front
frontal
germany
grade
hand
handwriting
head
head-on
human
humans
image
indoor
indoors
interior
interiors
kid
kids
learn
learning
leisure
length
lesson
lessons
letter
letters
male
males
north
north-rhine
nrw
on
one
only
pedagogics
people
person
persons
photo
photography
photos
pleased
portrait
portraits
primary
pupil
pupils
quarter
rhine
rhine-westphalia
room
rooms
school
schoolboy
schoolchild
schoolchildren
schools
shot
shots
smile
smiling
stand
standing
student
system
three
three-quarter
to
view
views
wear
westphalia
write
writing
years