The WIAA released its reclassification numbers on Friday, which will determine school classifications from 2014-16. The numbers are preliminary and schools have the option to opt-up to a higher classification.
You can peruse through the entire list here.
Of the items of note, Mount Si is set to be reclassified to 4A. Mount Si is currently in KingCo 3A/2A. There are a few current KingCo 4A members that are set to move to 3A. Those include, Ballard, Garfield and Newport. Eastlake is below the 4A cutoff, but has already opted-up.
From the South Sound, both Auburn and Auburn Riverside are reclassified in 3A.
Also of note, Glacier Peak is reclassified in 4A.