Q. I am an international student who has attended a Texas high school for three consecutive years. Can I qualify for Texas residency?
A. You may qualify for Texas residency regardless of immigration status if you:
I.
Graduated from a
public or accredited
private high school in Texas or, as an alternative to high school graduation, you received the equivalent of a high school diploma in Texas, including the successful completion of a nontraditional secondary education, and
II. Maintained a residence continuously in Texas for:
A.
the 36 months immediately preceding the date of graduation or receipt of the diploma equivalent, as applicable; and
B. the 12 months preceding the census date of the academic semester in which you enrolled at UT Dallas.
If you meet the above criteria, you are also required to complete a signed affidavit (in the form provided in chart I, which is incorporated into this subchapter for all purposes), stating that you will apply to become a permanent resident of the U.S. as soon as you become eligible to apply.
http://www.utdallas.edu/residency/faq.html#10