Martial Arts Industry Network 
A community site for martial art profressionals. Contains forum, events calendar, and resources on the business end of the arts.
http://www.martialartsindustry.net/Martial Arts Super Show
Annual trade show with business seminars and products geared toward the school owner.
http://www.masupershow.com/
FightingArts.com - The Business Side of Martial Arts
Several articles covering topics of marketing, teaching and other general business topics.
http://www.fightingarts.com/reading/get_articles.php?cat=The%20Business%20Side%20of%20Martial%20Arts
MartialTalk.Com - School Management
Forum section discussing school management and teaching.
http://www.martialtalk.com/forum/forumdisplay.php?f=48
Starting a Martial Arts School
Provides free articles and advice, sales of books, and consulting services, for instructors and school owners.
http://www.starting-a-martial-arts-school.com/
