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Arbiter online registration is LIVE!

All middle and high school students who will be participating in sports or activities during the 2026-27 school year are required to register through the school, and we have updated our process. All documents and waivers are now signed digitally!

Please be sure to follow these steps to complete your registration and ensure that your student is registered for athletic & activity participation :

  • Create an Arbiter Registration account (you only need one account for your whole family).

  • Activate your Arbiter Registration account from the activation link that will be automatically sent to your email. (Note: this email may go into your junk folder). [If you are having trouble creating your account, receiving the activation email, or logging in, you may contact support at registration@arbitersports.com or call 800-311-4060.]

  • Once you have successfully created your account and are logged in, please use the link below to complete your registration.

  • Once you have completed your registration, you will receive an email notification to let you know we have received your registration. Students MUST be registered and cleared to be eligible for participation.

MPS Arbiter Registration