Some links may be inactive -
information posted as it becomes available

2011:
Nov 5     Happy Valley Chess Rally, K-8, Bellingham
Nov 7     NWL Alpha Tourney, 3-12, Blaine
Nov 19    State MS-HS Mini-Team Championships, Bellevue
Nov 21    NWL Beta Tourney, 3-12, Sehome HS, Bellingham
Dec 3     LC Christmas Chess Classic, K-8, Lynden

2012:
Jan 14    6th Assumption Winter Chess Blast, K-8 Bellingham
Jan 27-28 HS State Individual Championships, Ferndale
Feb 4     15th International Chess Jam, K-12, Ferndale
Feb 25    The KING's Tournament -Cancelled
Feb 24-25 HS State Team Championships, Issaquah HS
Mar 3     Roosevelt Winter Chess Challenge K-12, Bellingham
Mar 17    Ferndale Elementary Spring Tournament, K-8 Ferndale
Apr 21    Wa. State Elementary Chess Championships, Pasco, Wa  
Aug 4-12  113th U.S. Open Championship, Vancouver, Wa
          (okay, so it's not "scholastic", but it's been quite a 
          few decades since the U.S. Open came to the Northwest!)
          Just LOOK at the 2011 U.S. Open crosstables!
          Be there in 2012!

Part 2: Beyond NW WA

For scholastic tournament information beyond NW Washington, consult the two authoritative sources:
- WHSCA Scholastic Calendar
- Northwest Chess Magazine: Scholastic Calendar
They both announce scholastic events throughout Washington and Oregon.

And you might consider all the scholastic tourneys just across the border:
- BC Junior Chess Calendar.