Texas Education Agency
From their website:
The Texas Education Agency is the state agency that oversees primary and secondary public education. It is headed by the commissioner of education. The mission of TEA is to provide leadership, guidance and resources to help schools meet the educational needs of all students.
Contact Info

William B. Travis Building
1701 N. Congress Avenue
Austin, TX 78701
United StatesPhone:
(512) 463-9734
Fax:
(512) 463-9838