The FCS stands for the NCAA Division I Football Championship Subdivision. It began in 1978 as NCAA Division I-AA and in December 2006, became known as FCS. The FCS is the highest level of NCAA collegiate football to determine its national champion through a playoff system.
There are 13 conferences representing 125 teams. In 1978, there was a 4-team playoff. As of 2013, the playoff expanded to a 24-team format with 10 automatic qualifiers and 14 at-large.
Since 1978, 21 teams different teams have won the FCS championship. North Dakota State has won the most titles (8) to-date.
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Variations of the above content derived from NCAA.com