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Sign Up or Manage Your Volunteer Shifts

New to MIS/HPMS Volunteering?

Welcome! Getting started is easy.

  • Visit the MIS/HPMS Unison website

  • Browse available volunteer opportunities. 

  • Sign up for a shift.

  • Create a Unison account to manage your schedule going forward.

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Returning from VSP?

​Great news! Your volunteer profile and existing assignments have already been transferred to Unison.

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Go to Unison.io and choose "Create Free Account" using the same email address you used with VSP to access these features:

  • Manage your volunteer assignments

  • Sync shifts to your personal calendar

  • Update your profile

  • Receive reminders and notifications

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Find a Volunteer Opportunity:

  • Open the MIS/HPMS Unison Welcome Page.

  • Select SY26-27 from the menu on the left.

  • Choose the volunteer area.

  • Click View Schedule.

  • Find your preferred shift and click Sign Up.

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Need a Substitute?

Choose one of the following two options:

  • Click the "Request Sub" link in your confirmation or reminder email.

  • Log in at Unison.io and submit your request.

CAFETERIA VOLUNTEERS:

After your substitute has been confirmed, please notify your day captain by phone or email.

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MONTHLY VOLUNTEER SHIFTS - Only sign up ONE time.

Applies to: Cafeteria, Scots Supply Shop, and Teacher Workroom. Choose the first occurrence of your preferred monthly shift.

Example: 

Want to volunteer on the second Tuesday of every month? Sign up only for the first occurrence of that shift shown on the schedule. We'll schedule the remaining months for you.

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ONLY VOLUNTEERING ONE TIME?

Please include that in the Comments section when signing up.

Questions?

Email our Unison Chair for more information.

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The Highland Park MIS/HPMS PTO is exempt from Federal Income Tax under section 501(c)(3) of the

Internal Revenue Code.  Your gift is tax deductible to the fullest extent allowed by law.

© 2026 MIS-HPMS PTO 

3555 Granada Dr, Dallas, TX 75205

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