Texas Education of Code

The following is copied from Texas Education Code, hope it is useful for you.

§ 54.059. FACULTY AND DEPENDENTS. A teacher or
professor of an institution of higher education, and the spouse and
children of such a teacher or professor, are entitled to register in
an institution of higher education by paying the tuition fee and
other fees or charges required for Texas residents without regard
to the length of time the teacher or professor has resided in Texas.
A teacher or professor of an institution of higher education and the
teacher's or professor's family are entitled to the benefit of this
section if the teacher or professor is employed at least one-half
time on a regular monthly salary basis by an institution of higher
education.

Fordetailed info, you may see: Texas Education Code http://www.capitol.state.tx.us/statutes/edtoc.html