2021
academic
arts
back
background
beginning
black
blackboard
board
calendar
celebration
chalk
chalkboard
child
class
classroom
course
day
doodle
drawing
education
educational
engineering
fall
girl
greeting
happy
holiday
international
kid
learning
mathematics
maths
month
new
new year
room
schedule
school
science
semester
spring
stem
student
studying
teacher
technology
wall
wallpaper
year
定額
2021 Happy new year school class academic calendar with student kid's hand drawing greeting on teacher's green chalkboard for educational celebration, back to school, STEM education classroom scheduleの素材 [FY310157203503]
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