This is a great article by Barbara Dewey regarding Waldorf and learning to read. The Waldorf grade level is based upon development, not academic skill level. This is why if you have a first grader who can read well, you do NOT jump into second grade material. Second grade material is designed to speak to children who are seven and a half or eight, just as third grade material is designed for those children going through the nine-year-old change.
Please take a few minutes to read this article:
http://waldorf2.intercast-media.com/2008/06/post_1.html
Just a few thoughts from my little corner of the world.