I didn't do ANY of the work. Ryanlerch synthesized this way back in 2006 but the document doesn't fit the image, so until that is fixed I am offering my remix so that it can be more useful for people. All credit for this great job goes to user Ryanlerch.
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Kids in a Classroom free icon was designed by j4p4n for icons Png and presented to its users.
j4p4n
1/28/2018