Sometimes in the martial arts, like any other discipline, you may learn from an individual of tremendous skill, capacity to teach, and predigree. In addition to paying someone to help you learn, you are paying for their particular accomplishments, what they add. In cases like this, you should evaluate the impact of a top level, grade-a, 'known in their field' type of guy on your training. Ask yourself if you learn a front thrust kick from one of Dan Inosanto's intructors if you would benefit any more or less by learning it from Sensei Joe Bagofdoughnuts who charges next to nothing. Additional factors in high matriculation fees are dojo overhead, and....whatever additional excuses that particular instructos offer. You cant argue with hi monthly rates from dojos located on prime real estate (but you can investigate whether the same thing can be found taught in a less expensive area). If you cant readily identify what drives up a price for studying at acertain school, it should definately raise any eyebrow. Speaking for myself, i live in an area where 200 bucks a month is what the market will bear for Kung Fu and Ju Jitsu. Hence, I elect to drive to Savanannah (45 miles, miles, 40 minutes) and save 160 bucks a month rather than practice locally. I feel i get more value this way.