I think the teacher's not correcting spelling is intentional.
She said they use a curriculum of Lucy Calkins to teach writing. An article critical of her approach (although some commenters at the site defend it) is

http://educationnext.org/the-lucy-calkins-project/
The Lucy Calkins Project
Education Next
SUMMER 2007
By Barbara Feinberg

The spelling curriculum is Sitton Spelling, about which I complained in an earlier thread "spelling curriculum" http://giftedissues.davidsongifted.org/BB/ubbthreads.php/topics/126178/Re_spelling_curriculum.html .


"To see what is in front of one's nose needs a constant struggle." - George Orwell