Not all links are active yet - information posted as it becomes available

2008:
Sep 15  Sehome-Woolley 2008 Grand Prix I, 3rd-12th grades, Sehome HS
Oct 6   Sehome-Woolley 2008 Grand Prix II, 3rd-12th grades, Sedro-Woolley HS
Oct 20  Sehome-Woolley 2008 Grand Prix III, 3rd-12th grades, Sehome HS
Nov 3   Sehome-Woolley 2008 Grand Prix IV, 3rd-12th grades, Sedro-Woolley HS
Nov 15  Carl Cozier Chess Kickoff, K-8th grades, Bellingham
Dec 1   NW High School League begins
Dec 6   LC Christmas Chess Classic, K-8th, Lynden
2009:
Jan 10  Whatcom County Championships, K-12th, Lynden
Jan 24  Roosevelt Winter Chess Challenge, K-8th, Bellingham
Jan 26  Whatcom Jr. High and Middle Schools League, Ferndale
Feb 7   Chess Jam 2009, K-12th, Ferndale 
Feb 21  Skagit K-8 Championship, Edison
Feb 21  F.E.S.T: Ferndale Elementary Spring Tournament, K-6th, Ferndale
Feb 28  Wa. State High School Chess Team Championships Mt. Vernon HS and Feb. 27
Mar 7   Wa. State Middle School Chess Team Championships Mercer Island
Mar 14  3rd Assumption Open, K-8th, Bellingham 
Apr 25  2009 Washington State Elementary Chess Championships, Spokane, WA
Jun 29 - July 1  2009 Lynden Christian Chess Camp

IMPORTANT STATE DATES FOR 2009-2010 
(You saw it here first!)
Nov 9, 2009    Sehome 2009 Grand Prix I
Nov 23,2009    Sehome 2009 Grand Prix II
Dec 5, 2009    HS and MS MiniTeam Championships (likely Interlake H.S., Bellevue)
Jan 29-30, 2010 HS State Individual Championship (likely Lakeside H.S., Shoreline)
Feb 26-27, 2010 HS State Team Championship (site pending)
Apr 24, 2010    2010 Washington State Elementary Chess Championships, Tacoma, WA

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.