30s
african american
answering
asking
boy
caucasian
child
children
class
classroom
concentrating
concentration
desk
education
female
girl
group
happy
helping
holidng up hand
horizontal
indoors
inside
learning
lesson
listening
male
people
person
pupil
question
raised hands
school
secondary school
sitting
six people
smiling
student
study
studying
teacher
teaching
teen
teenage
teenager
thirties
together
tutor
uniform
writing
young