For all questions regarding enrollment, course, and program information

Financial Services

For questions on billing, payment plans, tuition balance, fees

Course Materials

For help with course materials and tools, or shipping issues

Student Services

For questions about schedules, grades, and degree progress


For questions regarding transcripts and enrollment verification requests

Military and Veteran Services

For questions about Military and Veteran Services

Official Transcript Request

General Inquiries

For general inquiries, or if you’d like to leave a testimonial, please fill out this form and we will reach out to you as soon as we can.

Phone Number: 800-336-8939

Address: Sonoran Desert Institute, 1555 W. University Dr., Ste. 103, Tempe, AZ 85281

Office Hours:

Monday – Friday 8:00 a.m. – 5:00 p.m. (MST)

Note that Arizona does not switch to daylight savings time. Therefore, the office hours remain Mountain Standard Time year-round.

Wondering where you can apply?

Apply Here