there are, in the US, two basic styles of montessori. AMS, which is a little modified (and contains a broader range of teaching styles), and AMI, based in europe, that considers itself more traditional in their interpretation of montessori. I have seen the contract thing in an AMS school at older levels, esp with children that will probably be transitioning to a traditional school soon agewise but I doubt you'd see it in an AMI school - just guessing you'd be more likely to be in the latter type.
There *are* goals - children have to work through different lessons in order to progress to new kinds of work, although they don't have a set timeline for doing so. Knowing what kind of work lies ahead might help you see what she's working towards - and maybe her too! (you can ask, have you had a lesson on X yet?) Books for montessori teachers might be helpful if you're not able to talk to the teacher easily to know what kind of goals they have for her - most teachers will gently and indirectly guide her towards these goals as I understand it. e&r is a montessori teacher, you might pm her to ask for her insight.