Core Knowledge and the Multi-age Classroom

So last week we learned that NYS is now requiring schools to adopt, adapt or align to the Core Knowledge curriculum. It is a new way of looking at the way we teach and seems to be a different approach than what I have experienced over the last 12 years of teaching. It is more theme based to ensure that students build the same knowledge base across school districts. I don't have much experience with it so far, but one BIG question is brings up for me is how do we use this new scripted (to the number of days for each theme) program into a multi age special education classroom. The themes for each grade level are very specific and build on one another. We are not a typical multi age classroom where the same set of students loop through, we have different students every year. How could I teach a 2nd grade theme when I have new kindergartners... All questions to ponder over the next few months as it seems our district is going to adopt this new program. Here is the link to the Core Knowledge website if you want to check it out. Feel free to share your thoughts or point me in the direction of more resources that help connect this to the special education world.