According the the Seattle P-I (how we will miss their coverage of local education issues - much better and less biased than the Times) at least four groups claim to have filed appeals of the school closure decision with the King County Superior Court.
According to the P-I article, the appeals are based on claims of discrimination. It's not possible to describe the grounds for the appeals without reading the appeals filed with the Court (not yet available online). That's a shame because I don't think that the discrimination claim has merit.
We will follow the appeals with interest and keep you updated.