The Lynnfield High School Athletic Department offers the convenience of online registration through Arbiter. (https://hello.students.arbitersports.com/). Arbiter is a secure registration platform that provides you with an easy, user-friendly way to register for our programs, and helps us to be more administratively efficient and environmentally responsible. When you register through Arbiter, the system keeps track of your information in your Arbiter profile. You enter your information only once for each family member for multiple uses and multiple programs.