The Students use this online review for tests and somtimes extra credit in many different classes. The student will log on to castlelearning.com. the log in name is Ham-(the first 3 letters of their first name) (the first 6 letters of their last name). The password if they have not logged in ever is just leave the password spot empty. If they have logged on already they should remember their password because they made up their own password. example, ham-johsmith. for john smith.