` :But when it's referring to school years, one needs to know what months the school year runs between; this might happen to be within one calendar year in the Bikram Sawat system, but stretch across two calendar years in the Gregorian system.  For instance, normal U.S. school years go from September (or late August) through May or June, and are referred to as ``the 2008-09 school year``.  But if it's a Jewish school and its school year is entirely within a Hebrew Calendar year, one might call it ``the 5769 school year``.   `