I'm all for striving for excellence in ministry. We want our children's and family ministries to be excellent, but as we strive for this "excellence" there is something we have to beware of. Something which can cause great damage. This "something" is our own ego.
Have you ever heard a church leader say they do not want someone else to do something in the ministry unless they can prove they can do it as well - or better - than they can? This is ego talking. It certainly is not the Spirit of God talking. This kind of "ego" often leads to "hogging" ministry to yourself or micro-managing and both of these things lead to discouragement and pain among those who God sent to serve in your ministry.
Yes, we want our ministries to be excellent, but we need to know they will not be perfect. They can not be perfect because we are not perfect. Consider the following-