According to Yahoo Sports, there are 199 schools playing Division III football. Click on the 'NCAA Division III Schools' link on this page to see a list of those schools.
The college football system is split into three divisions Division I FBS, Division I FCS. Division II and Division III. In division 2 football there are 282 schools.
Division III football schools in Tennessee are Maryville, Rhodes, and Sewanee.
There are 119 NCAA Division 1-A football schools and 109 Division 1-AA football schools. There about 200 Division II and 200 Division III football schools and about 75 NAIA football schools. That makes around 700 and that doesn't include junior college football.
what is the difference from a division I , II & III school?
There are 295 Division II Schools.
From ncaa.org: As of Dec 10,2010: 447 Total Members (432 active & 15 provisional / reclassifying )
NCAA Division III is made up of 444 member institutions. It is the largest NCAA division. It has more participants (about 170,000 student-athletes) and number of schools than any other NCAA division. There are 413 NCAA Division III Men's Basketball teams and 434 Women's teams.
There are 238 Division 1 AA schools that have baseball teams. Also known as Division 2, these schools tend to be smaller than Division 1 schools.
There are 347 schools in 32 Division I basketball conferences.
That is the division below division I. Division one is where the top schools play while division two is for schools who don't attract many athletes or are a small school.
There are 250 teams in Division III of college football. However, Division III does not get much attention, and typically only Division I gets shown on television.