J.N.
A.,
My advice as an advertising a marketing specialist would check the demographics in your area to see if there are enough children with in a 2-10 mile radius of your location to support a high end daycare. Leawood does trend to a higher income level, but my impression is that most residents might not have children who need child care. My other thought is that you need to make sure there are no restrictions on having an in home daycare run out of your home. Even a small number of parents coming and going from your home will increase traffic and draw attention, so be sure your neighbors are OK with your plans.
As a parent who is strapped for money at the moment I personally would not pay the extra money. Our daughter attends daycare at a church which provides many of the services you mentioned. She receives bible instruction, attends chapel every Wednesday, and the school regularly goes on field trips. Breakfast, lunch and two snacks are also part of the deal. The cost to me is only $132 a week. Granted many parents do want their children to receive more one on one attention, but the big question is are they willing to pay almost double.
However, I would suggest that you consider taking on special needs children if your set up will allow it. Many daycare groups will not take on children with mental and physical handicaps. A smaller home care situation with more one on one attention would be perfect for a child that can't be monitored well in a large classroom situation. It is a small niche market, but parents of those kids would probably pay more and travel farther for that kind of service.
Good luck with your business!
J. N.