Instruction is the facilitation of another's learning. Instructors in primary and secondary institutions are often called <answer>teachers</answer>, and they direct the education of students and might draw on many subjects like reading, writing, mathematics, science and history. Instructors in post-secondary institutions might be called <answer>teachers</answer>, instructors, or professors, depending on the type of institution; and they primarily teach only their specific discipline. Studies from the United States suggest that the quality of <answer>teachers</answer> is the single most important factor affecting student performance, and that countries which score highly on international tests have multiple policies in place to ensure that the <answer>teachers</answer> they employ are as effective as possible. With the passing of NCLB in the United States (No Child Left Behind), <answer>teachers</answer> must be highly qualified. A popular way to gauge teaching performance is to use student evaluations of <answer>teachers</answer> (SETS), but these evaluations have been criticized for being counterproductive to learning and inaccurate due to student bias.
What is another term used for instructors?
teachers