PNG ICO ICNS MORE
Gaming & gambling
3D
Free Game Icons
Money, numbers, Abacus
DarkKhaki
64x64
Avatars & smileys
Free Large Boss Icon Set
Library, education, librarian
Black
512x512
Photography & graphic design
32x32 Free Design Icons
Book, learning, study
32x32
Education & science
Flat icons
education
DimGray
256x256
Signs & symbols
Free 3d Glossy Interface Icon Set
school, tools, scissors
IconFinder Pixel
teacher, geek, nerd
48x48
Course, training, education
SlateGray
teacher, education
Family & home
Brilliant
400x400
Old school by Babasse
school, teaching, teach
DarkSlateGray
128x128
PNG MORE
Desktop apps
Free Applications Icons
project, graphic, Edit
24x24
Computer & hardware
Human o2
Book, diploma, education
Dark Glass
education, Folder, bookmark
Book, Kaddressbook, education
SandyBrown
education, math, Notebook
radzad, school, education
DarkSeaGreen