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A school board made of steps with formulas
School bus autumn nature
The beginning of the school year. Still-life
There are several books on the shelf in the library
Drawing of colored pencils
Colorful markers on the table
Bright colors multicolored pipes
The opportunity to leave your mark
An old book. Granite of Science
A handprint on a blackboard
Green men pointing in the direction
A ray of sunlight shines on an open book