At this point in time, all students must take 3 courses in science to meet the THS science graduation requirement. ( current requirement:  Integrated Science (9th), Biology(10th) and an elective)  To best prepare for the NGSS (Next Generation Science Standards) test administered to all students during their junior year, students are encouraged to take Chemistry (11th) as well. Liberal Arts college aspirants should consider four or more credits in science. Professional Science Career aspirants should consider five or more credits in science.