The school ranking is a feature some schools offer. If your school has configured this feature, you can rank your schools based on your interests by selecting at the top of the list the school you prefer most over the other ones that are not your first choice. When ranking is available, you can rank the schools you have selected on the following screen:
Once you have ranked your schools, you can move forward with your child's application by clicking on the "Next" button you'll find on the left lower side of your screen: