adult
background
black
blackboard
chalk
chalkboard
class
classes
classroom
college
culture
education
educator
exam
explain
female
giving
hand
job
knowledge
learn
lecturer
lesson
lessons
melody
music
musical
note
notes
occupation
people
person
profession
pupil
school
signs
song
sound
study
subject
task
teach
teacher
teaching
tutor
university
woman
work
write
writing