I second Fandom in Stitches, as long as you're comfortable with paper piecing. They have really great patterns, and dozens of blocks/images to choose from.
Edit: For layout/design, I would probably do the big school crest (finishes at 20" square), then put other blocks around it.
https://drive.google.com/file/d/0B1m...A4akFzVlk/view