ClassMates:美國同學錄年鑑是美國的一個尋找老同學的社交網站，擁有5000萬會員，使用者可以根據地域來查詢你的校友們，更加重要的是該網站把說有的會員資料整理成年鑑的方式，使用者可以根據年限來瀏覽所有的會員資訊。

ClassMates網站支援查詢美國、加拿大、奧地利、瑞典、瑞士、德國、法國的所有地區和院校資訊。

Classmates is the online home for your high school class. With the largest directory of high schools and class lists available anywhere, covering 57 million people and including maiden names, Classmates makes finding, reconnecting and staying up with your high school class fun and easy. Classmates also has over 200,000 digitized high school yearbooks available for you to view and share photos.

Discover how millions of people have reconnected with friends from their high school years. With over 50 million members, we make it easy to discover what other alumni are doing now, get news on your reunion, and share old high school photos.