Contacts for HiSET® Test Takers

Still need help?

Taking the HiSET® exam and earning your high school equivalency credential is a process that can take up to a year or more. From start to finish, we're here to support you. Choose a topic below to get started.

General help (including at home testing)


1-855-MyHiSET (1-855-694-4738) — toll free
Monday–Friday, 9 a.m.–7 p.m. ET

For test-day issues, please call 1-800-257-5123, option 4.

Attn: HiSET – Mail Stop 57-L

Your HiSET account

For help with your HiSET account, call HiSET Customer Service:

1-855-MyHiSET (1-855-694-4738)

To confirm your identity, you'll need to provide your name, address, date of birth and one of the following:

  • test-taker ID
  • appointment number
  • order number
  • email address
  • last four digits of your Social Security number

Scheduling an appointment

For help scheduling your appointment, you can:

If you have a disability or health-related need and require testing accommodations, you must contact ETS Disability Services (see below) to schedule or change your appointment.

ETS Disability Services

See Disability Accommodations to learn more about what accommodations are available and how to request them.

For help with the accommodations request process or to order test prep materials in alternate formats, contact ETS Disability Services:

1-855-802-2748 (toll-free)
Monday–Friday, 8:30 a.m.–5 p.m. ET
Attn: HiSET – Disability Services
ETS Disability Services
P.O. Box 6054
Princeton, NJ 08541-6054

See also: