Believe it or not, there are disciplines other than science and mathematics.
Also, not that there is anything wrong with rote memorization, but if you believe that critical thinking isn't absolutely critical to those fields, you may have missed a thing or two thousand in your science education. Questioning assumptions is at the very foundation of science.
So, on this issue the Texas GOP has apparently backtracked and said it was a wrong choice of words, or something along those lines. I haven't read up on it to any degree.