Who knows of any high schools that require all students to take semester courses of chemistry, physics, biology, and earth science in 9th and 10th grades? I've heard of schools that cover all four disciplines in 9th grade, which still allows three years for the more serious student to take more in-depth courses in the three core sciences. But I've not been able to find schools teaching a semester-only curriculum for two full years. Public schools in Portage Michigan are abandoning their college preparatory curriculum in favor of mandatory semesters for everyone, and many parents are upset, not just because...