Contact us

Contact Information
Our Mailing Address:
	Cornerstone Graduate Supply, Inc. (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.
Phone Information:
	Calling to place an order? Did you know that you can order on-line without using your credit card? You can get the discounted web price and still mail in or call in a payment. (Orders placed by phone are charged list price) See this page for more information. Our toll-free phone number is : 1-877-466-2563 (toll-free).Phone hours are 9:00 a.m. until 5:00 p.m. Monday through Friday. During the months from February through June our lines are very busy and you may not be 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 right person call you back! We will return your phone call, often within an hour or two, and almost always the same day.
Contact Us By E-mail:
	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 one business hour. This is often quicker than phone during the busy season. If you are e-mailing to request a change to your order, we will respond by email. Do not assume that we have received your message unless you get a reply from us confirming the change.