Classmates.com is a very popular site for locating people who graduated with you from high school and college or who you worked with in the workplace or the military. It has a large database detailing almost every school as well as dozens of different companies and military vessels and bases where you can try to find your old friends. You begin by picking the kind of “classmates” you are looking for: high school, college, military, or workplace. Then, you select the location of your school, etc. by state, followed by the first letter of its name. Then, you can pick your actual school. From there, you can register, and you have the option of paying to gain access to further, special services. Once you have registered, you can search for all your classmates who have likewise registered on the site, by year of graduation or years they attended your school. You can update your profile information and contact your classmates by private message, as well as any one of a number of other services the site provides.

This site is primarily for people looking to get in contact with old friends from school, etc. It is one of the top 100 most-visited sites on the internet, and its primary audience is older and female. People who visit this site also commonly visit genealogy and family sites, as well as cosmetics and insurance sites.