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Calling to place an order? We require that orders for personalized items be placed through our web site for accuracy. If you are hesitant about paying online, our shopping cart allows you to checkout without payment and then call in your card information or mail a money order. See our payment options page for more information.
Our toll-free phone number is 1-877-466-2563. Phone hours are 9:00 a.m. until 5:00 p.m. Central Time, Monday through Friday. We are closed on Memorial Day, July 4th, Labor Day, Thanksgiving Day and the Friday after Thanksgiving. At the close of each year, we are closed for Christmas Eve and the following week, reopening the first business day after New Year's Day.
During the months from February through May our lines are very busy and despite our best efforts, there may be times when you are not able to reach us by phone unless you leave a message. Please let us know the reason for your call so that we can have the correct person call you back! We will return your phone call, usually within a few hours, and almost always the same day.
Our Mailing Address:
Cornerstone Graduate Supply, Inc.
(DBA Homeschool Diploma.com)
508 Campus Street, Ste. 5
Milton, WI 53563
If sending a money order, please make it out to Cornerstone Graduate Supply, Inc.
Contact Us By Email, Below:
You may send us an e-mail using the form at the bottom of this page. We reply to your message as quickly as possible, usually within a few hours during the business day. This is often a faster way to reach us than phone during the spring months. However, if you need to change or cancel an order, do not use this form. Instead, call our office at the number above, within 1 hour after the order is placed (regardless of the time of day.)