A reader sent this comment about what happened recently in his district in Nevada:

Where I live in Pahrump, Nv, we have had 7 math and science teachers leave the high school this last week. They all planned to leave together as a protest. All of them had Ph.D degrees in math, and two of them had double doctorates in math and physics or biology. They left in protest of test driven evaluations now in place state wide here in Nevada, and they do not approve of the push to try to make all children go to college. As they stated in an open letter, They can only teach, advanced math takes a persistent concerted effort to learn. Many students in their Calculus classes do not need the class and are not prepared well enough to do well. Very few of these students will need the class either. To evaluate the teacher based on these factors they stated should be unconscionable. They close by stating that if math is so easy that all can readily master it, the district should have no problem replacing them. They all have other jobs in different states. None of them plan on continuing in public education.