Side Mount and Display High-Visibility Aluminum Signs from School Fix® are perfect for anywhere around the school and can be customized to fit your campus. Signs feature a vertical sidebar layout, that allows the message to be easily read from a distance. Choose from our most popular designs or customize the sign to better fit your campus colors and message. Sizes available as 12” x 18” or larger 18” x 24”, both made from 0.063” or .080” thick aluminum.