boys
caucasian
children
circle
class
classroom
competent
education
elementary school
experienced
floor
friendly
german
germany
girls
grammar school
happy
learning
lesson
looking down
lowangle
occupation
people
person
primary school
profession
pupil
pupils
room
school
schoolboy
schoolgirl
student
students
studying
teacher
teaching
team
teamwork
together
tuition
woman
work
working