Happy Spring! Enjoy Free Shipping on Your Order of $85 or More - Through 3/31

Contact Us

Phone: 877-466-2563

Email: cs@homeschooldiploma.com

Hours (CST): Monday - Friday 9am - 5pm

Calling to place an order? For the best ordering experience, use our website to place your order. If you are hesitant about paying online, you may still call in your card information or mail a money order (See our payment options page for more information).


We are closed on Memorial Day, July 4-6, 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.


Busy Season:
During the months from February through May our lines are very busy and you may have to leave a message. 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: