Complex sentence: Kraft Meadows is now one of the two Caledonia Middle Schools, it used to be the only one that was called "Caledonia Middle School" Now with the addition of Duncan Lake Middle School, it was given it's new name.
Split into simpler sentences: Kraft Meadows is now one of the two Caledonia Middle Schools. Now, with the addition of Duncan Lake Middle School, it was given it's new name.