This study reports the results of a survey of 405 high school students in a school district in the western United States. The data were used to determine why so many students take only the minimal science required for graduation. Key areas addressed included how science is taught; science literacy; science, technology, engineering and mathematics (STEM); science, technology, and society (STS); and who influences students to take science. Results were directed at how to motivate more students to continue science study beyond the required courses and how to improve the prospect of more students choosing STEM majors in higher education. Key conclusions included that no new science courses are needed to increase enrollments, but existing courses need to be taught differently, specifically with more labs and activities that create more interest and relevance for students. Furthermore, students need more awareness of good reasons for taking science. Last, science instruction must improve. (Contains 6 figures and 5 tables.)