Some districts will treat parents the same way they treat students unless the parent "redirects" them. lol
Treat this just like you would any business meeting. Call and advise that it is necessary that the meeting be rescheduled. Give several dates and times you are available to reschedule. Follow the call up with a letter -- send it by fax, email, hand-delivered to speed things up. BUT, also send the letter via Certified Mail for legal protection purposes. If you hand-deliver the follow-up letter, you can also have whoever you deliver it to to sign as:
_________
Received by:
________ __________
Date Time
Waiving re-evaluations is something we've discussed in this forum recently. Look for a thread started by SRL -- it should still be on page one of this forum.
Welcome to the site. 
PS: I pushed SRL's thread up for you.
