Here's a simple colouring page of an elderly male teacher - teaching the kids some sums - that you can print for the kids to enjoy.
Teacher Colouring Page 2
Younger children will enjoy the simple lines of this fun printable female teacher colouring page. Just click the link below for the printable version.
Here's a lovely colouring page of a peaceful story time scene in the classroom. There's lots of detail to make it interesting to colour in.