To change your name on your account, click the 
gear icon at the top right corner of any page and select Account, then Personal Information. Follow the prompts and click Save my settings at the bottom of the page.
To change your name specifically for your school class list, click the gear icon at the top of any page and select Edit Schools, then click Schools in the border below your name, choose the school you would like to edit, and then click Edit in the school box that you'd like to change.
Note: If your name has changed over the years, you can list your current name on your overall account and your former/maiden name on your school class list. Both will show on your profile—for example, "Jane Smith (Johnson)." This helps your friends recognize you on Classmates.com!
