Three of the four Wesco boys and girls basketball league titles already have been decided.
But with first-round byes and playoff berths still up for grabs — as well as the Wesco 3A/2A girls title — there’s still plenty to sort out before the postseason tips off.
Below is a league-by-league breakdown heading into Monday night’s Wesco 3A/2A regular-season finales and Tuesday night’s Wesco 4A finales, as well as a primer on the district and bi-district tournament formats:
4A postseason format (boys and girls)
The top two Wesco 4A teams and top two KingCo 4A teams receive byes into the quarterfinals of the 12-team 4A Wes-King Bi-District Tournament.
Wesco 4A seeds 3-6 play loser-out games against KingCo 4A seeds 3-6, with the winners advancing to the bi-district quarterfinals.
This year, the bi-district has four 4A state berths.
Wesco 4A boys
Glacier Peak has clinched its third Wesco 4A title in four years. The unbeaten Grizzlies are 13-0 in conference play and hold a two-game lead over Mariner, which has secured a second-place league finish.
As the top two seeds in Wesco 4A, Glacier Peak and Mariner have earned byes into the bi-district quarterfinals.
Jackson and Kamiak are tied for third place in Wesco 4A with 7-6 conference records. Both have clinched bi-district berths.
Lake Stevens, Mount Vernon and Monroe are battling for Wesco 4A’s final two postseason spots.
Lake Stevens and Mount Vernon are tied for fifth place at 5-8 in league play. Monroe is seventh, trailing both teams by one game. All three teams went 1-1 against each other.
Wesco 4A girls
Glacier Peak has clinched its third Wesco 4A crown in four years. The Grizzlies are 13-0 in conference play and have won 31 consecutive league games.
Glacier Peak holds a two-game lead over Lake Stevens, which has secured a Wesco 4A runner-up finish. As the league’s top two seeds, the Grizzlies and Vikings have earned byes into the bi-district quarterfinals.
Jackson is locked into third place in Wesco 4A at 9-4 in conference play.
Mount Vernon, Monroe and Kamiak have clinched Wesco 4A’s remaining postseason berths. Mount Vernon and Monroe are tied for fourth place at 6-7 in league play. Kamiak is sixth at 5-8.
3A, 2A postseason formats (boys and girls)
For both the 3A Northwest District Tournament and 2A Northwest/Sea-King Bi-District Tournament, seeding is determined by a Ratings Percentage Index (RPI).
At the 3A level, the top six seeds in the district-wide RPI receive byes into the district quarterfinals. Seeds 7-10 square off in loser-out, first-round district games. This year, the district has three 3A state berths.
At the 2A level, the top four seeds in the bi-district RPI receive byes into the bi-district quarterfinals. Seeds 5-12 square off in four loser-out, first-round bi-district contests. This year, the bi-district has three 2A state berths.
Wesco 3A/2A boys
Marysville Pilchuck has clinched its second consecutive Wesco 3A/2A title. The Tomahawks are 13-0 in conference play and have won 26 straight league games.
Stanwood is locked into second place at 11-2 in Wesco 3A/2A, with both of its conference losses coming in overtime.
The top 10 teams in the 3A district RPI are: Marysville Pilchuck (1.21), Stanwood (1.00), Shorecrest (0.84), Meadowdale (0.81), Edmonds-Woodway (0.81), Arlington (0.72), Marysville Getchell (0.70), Squalicum (0.60), Shorewood (0.52) and Ferndale (0.46). Everett is a distant 11th (0.25).
In the 2A bi-district RPI, Mountlake Terrace is third and Lakewood is fourth. Cedarcrest is seventh and Archbishop Murphy is 11th.
Wesco 3A/2A girls
Shorecrest and Arlington are tied atop the Wesco 3A/2A standings at 12-1 in conference play. Shorecrest holds the head-to-head tiebreaker by virtue of its 58-43 win over the Eagles on Dec. 20.
If the Scots beat Lynnwood in their regular-season finale, Shorecrest clinches the Wesco 3A/2A crown. Arlington needs both a win over Marysville Getchell and a Shorecrest loss to claim the league title.
The top 10 teams in the 3A district RPI are: Shorecrest (1.12), Arlington (1.12), Meadowdale (0.90), Ferndale (0.87), Edmonds-Woodway (0.82), Snohomish (0.81), Lynnwood (0.70), Everett (0.61), Stanwood (0.43) and Marysville Getchell (0.42). Squalicum is a distant 11th (0.24).
Archbishop Murphy is fourth in the 2A bi-district RPI. Cedarcrest is seventh, Mountlake Terrace is 10th and Lakewood is 13th.