Hawthorne Educational Services, Inc.
800 Gray Oak Drive
Columbia, MO 65201

Phone: (573)-874-1710 or (800) 542-1673

Contact by email

General questions or requests:  info@hawthorne-ed.com
Purchase orders or credit card orders: orders@hawthorne-ed.com
Credit card payments or EFT notifications: payments@hawthorne-ed.com

Normal business hours:
Monday - Thursday: 8:00 a.m. - 5:00 p.m. CST
Friday: 7:00 a.m. - 2:30 p.m. CST

Summer hours (Memorial Day through Labor Day):
Monday - Thursday: 8:00 a.m. - 5:00 p.m. CST
Friday: CLOSED

Holidays Observed:

New Years Day: 1/1/26
Memorial Day: 5/25/26
Independence Day: 7/3/26
Labor Day: 9/7/26
Thanksgiving: 11/26/26 - 11/27/26
Christmas: 12/21/26 - 12/25/26