The AAT Degree Program Texas Teacher Certification: 7-12, Other EC-12 targets individuals who have a desire to enter the field of education as a teacher, school administrator, counselor, or some aspect of child/adolescent development. The AAT is fully transferable to all Texas public universities which offer applicable Baccalaureate Degrees leading to initial teacher certification. Students should check with the college department, the transfer center, or the university to which they plan to transfer for additional information.