It seems too much easy to be a teacher in the U.S, especially Texas. No matter what subject and what school you graduated from as long as you hold a bachelor degree and pass the state test, "boom" you are a certified teacher. I am not going against all. I know a lot of people whose major is not mathematics but their proficiency in math better than who majors in math. But at least you have minimum required credits in math to be eligible for a math teacher position. Assuming that you have a child who is in middle school now, one day you figure out that his/her teacher cannot answer his/her questions, and after an investigation you find out his/her teacher held a bachelor degree which is not math, but something else. What do you think? Do you expect your child to be taught by a qualified math teacher or disqualified math teacher? Ex: In my country, in order to be a qualified math teacher, you have to hold at least a bachelor degree in mathematics. If you hold a bachelor degree in mathematics, you are not qualified for physics teacher positions. You are ONLY qualified for a position in which you major.