Since 1987, the Statistical Research Center at the American Institute of Physics has regularly conducted a survey of high school physics teachers. This September we're at it again. This fall, we will look for physics teachers at each of the 4,000+ schools with 12th grade in our nationally representative sample of public and private schools. We will use web searches, and we will contact the principal or science coordinator. In the spring of 2017, we will contact all the teachers who teach at least one physics class that we can identify. From prior rounds of the survey, we know that as many as 40% of the teachers who teach a physics class teach a majority of their classes in another subject.