High school sports rankings can be found online at the MaxPreps. At the top of the home page, some of the most popular sports are listed, along with a drop-down menu to differentiate between boy's and girl's versions of the sport.
When a sports is chosen from the list, the drop-down menu appears, with an option to click on Rankings. The following screen shows the nation-wide rankings for the respective sport.
USA Today also provides an online resource for high school sports rankings. When on the home page, users can select the button at the top of the page titled Rankings, and then click the name of the desired sport from the drop-down menu.