320 & 330 Physical Science L-2/3
340-341 Biology I L-2/3
342 Biology II L-2
345 AP Biology L-4
360 Environmental Science/Ecology L-2
350 Human Anatomy & Physiology L-2
370-371 Chemistry L-2/3
375 AP Chemistry L-4
380 Physics L-3
(Source: BHS Reg Guide 2009-2010)