Northern Division
| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Waterville-Mansfield | 12 | 0 | 1.000 | 25 | 3 | 0.893 | State |
| Brewster | 8 | 4 | 0.667 | 15 | 10 | 0.600 | |
| Bridgeport | 7 | 5 | 0.583 | 16 | 8 | 0.667 | |
| Pateros | 7 | 5 | 0.583 | 11 | 10 | 0.524 | |
| Entiat | 6 | 6 | 0.500 | 15 | 9 | 0.625 | |
| Liberty Bell | 2 | 10 | 0.167 | 5 | 15 | 0.250 | |
| Manson | 0 | 12 | 0.000 | 5 | 17 | 0.227 | |
Southern Division
| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Soap Lake | 4 | 0 | 1.000 | 7 | 12 | 0.368 | |
| Thorp | 2 | 2 | 0.500 | 6 | 14 | 0.300 | |
| Wilson Creek | 0 | 4 | 0.000 | 0 | 12 | 0.000 | |
Last Season: 1987-1988 Central Washington
Next Season: 1989-1990 Central Washington
1988-1989 boys Central Washington | Main Page | 1988-1989 TOC
For league: 39 - 43 in non-league games
Home team wins 50.0% of league games (2 - 2)
130 games; average margin: 22.30
median margin: 19
22 games five points or less margin (including overtime games)
37 games ten points or less margin (including overtime games)
46 league games; average margin: 17.74
median margin: 18
11 games five points or less margin (including overtime games)
15 games ten points or less margin (including overtime games)
| 11/29/88 | Brewster 66, Almira Coulee Hartline 31 | Non-league |
| 11/29/88 | Waterville-Mansfield 65, Pateros 53 | Non-league |
| 12/01/88 | at Quincy 46, Manson 30 | Non-league |
| 12/01/88 | Okanogan 85, Liberty Bell 36 | Non-league |
| 12/02/88 | Entiat 111, Wilson Creek 9 | Non-league |
| 12/02/88 | Lake Roosevelt 60, Brewster 50 | Non-league |
| 12/02/88 | at Pateros 69, Thorp 18 | Non-league |
| 12/02/88 | Waterville-Mansfield 55, at Wilbur-Creston 39 | Non-league |
| 12/03/88 | Brewster 76, Cashmere 19 | Non-league |
| 12/03/88 | Curlew 55, Pateros 52 | Non-league |
| 12/03/88 | Liberty Bell 34, Oroville 19 | Non-league |
| 12/03/88 | at Wahluke 62, Thorp 37 | Non-league |
| 12/06/88 | Bridgeport 77, Oroville 35 | Non-league |
| 12/06/88 | Entiat 63, Soap Lake 28 | Non-league |
| 12/06/88 | Manson 41, Cashmere 31 | Non-league |
| 12/06/88 | Pateros 58, at Almira Coulee Hartline 43 | Non-league |
| 12/09/88 | Brewster 69, Entiat 29 | |
| 12/09/88 | Pateros 54, Bridgeport 47 | |
| 12/09/88 | Wahluke 75, at Thorp 41 | Non-league |
| 12/09/88 | Waterville-Mansfield 56, Liberty Bell 36 | |
| 12/10/88 | Almira Coulee Hartline 40, Soap Lake 35 | Non-league |
| 12/10/88 | Bridgeport 62, Entiat 37 | |
| 12/10/88 | Lind 77, Wilson Creek 6 | Non-league |
| 12/10/88 | at Liberty Bell 33, Thorp 21 | Non-league |
| 12/10/88 | Waterville-Mansfield 48, Pateros 45 | |
| 12/13/88 | Entiat 54, Cashmere 40 | Non-league |
| 12/13/88 | at Thorp 41, Kittitas JV 23 | Non-league |
| 12/13/88 | Waterville-Mansfield 67, Soap Lake 32 | Non-league |
| 12/16/88 | Brewster 55, Liberty Bell 42 | |
| 12/16/88 | Pateros 57, Manson 32 | |
| 12/16/88 | at Thorp 58, Thorp Alumni 25 | Non-league |
| 12/16/88 | Waterville-Mansfield 62, Bridgeport 53 | |
| 12/17/88 | Brewster 58, Pateros 37 | |
| 12/17/88 | Entiat 44, Liberty Bell 40 | |
| 12/17/88 | Waterville-Mansfield 53, Manson 33 | |
| 12/19/88 | at Almira Coulee Hartline 56, Soap Lake 37 | Non-league |
| 12/20/88 | Bridgeport 52, Odessa 29 | Non-league |
| 12/20/88 | Entiat 52, Soap Lake 31 | Non-league |
| 12/20/88 | at Wilbur-Creston 50, Liberty Bell 35 | Non-league |
| 12/20/88 | Lind 52, Wilson Creek 3 | Non-league |
| 12/20/88 | West Side Christian 41, at Thorp 40 | Non-league |
| 12/22/88 | Almira Coulee Hartline at Bridgeport | Non-league |
| 12/22/88 | Chelan 60, Pateros 51 | Non-league |
| 12/22/88 | Neah Bay 54, Manson 46 | Non-league |
| 12/22/88 | Soap Lake 47, Liberty Bell 39 | Non-league |
| 12/23/88 | Pateros 58, Manson 34 | Non-league |
| 12/27/88 | Eastmont Sophomores 72, Thorp 21 | Non-league |
| 12/27/88 | at Soap Lake 83, Wilson Creek 11 | Non-league |
| 12/28/88 | at Soap Lake 40, Eastmont Sophomores 37 | Non-league |
| 12/28/88 | Thorp 41, Wilson Creek 20 | Non-league |
| 12/29/88 | Entiat 52, Republic 31 | Non-league |
| 12/29/88 | Okanogan 63, at Brewster 58 | Non-league |
| 12/29/88 | Omak 75, Bridgeport 29 | Non-league |
| 12/29/88 | at Waterville-Mansfield 61, Wilbur-Creston 46 | Non-league |
| 12/30/88 | Bridgeport 53, Okanogan 46 | Non-league |
| 12/30/88 | at Curlew 76, Entiat 54 | Non-league |
| 12/30/88 | Omak 52, at Brewster 48 | Non-league |
| 12/30/88 | at Waterville-Mansfield 69, Tonasket 46 | Non-league |
| 12/30/88 | Warden 52, Manson 25 | Non-league |
| 01/03/89 | Waterville-Mansfield 52, Soap Lake 21 | Non-league |
| 01/06/89 | Bridgeport 69, Manson 37 | |
| 01/06/89 | Entiat 44, Pateros 29 | |
| 01/06/89 | Waterville-Mansfield 54, Brewster 53 | |
| 01/07/89 | Brewster 65, Manson 41 | |
| 01/07/89 | Bridgeport 64, Liberty Bell 40 | |
| 01/07/89 | Pateros 64, Soap Lake 25 | Non-league |
| 01/07/89 | Waterville-Mansfield 51, Entiat 44 | |
| 01/10/89 | Brewster 83, Cashmere 44 | Non-league |
| 01/10/89 | Bridgeport 71, Soap Lake 45 | Non-league |
| 01/10/89 | Pateros JV 74, Wilson Creek 5 | Non-league |
| 01/10/89 | at Entiat 71, Thorp 31 | Non-league |
| 01/13/89 | Bridgeport 67, Brewster 54 | |
| 01/13/89 | Entiat 53, Manson 33 | |
| 01/13/89 | Pateros 56, Liberty Bell 39 | |
| 01/13/89 | at Waterville-Mansfield JV 44, Thorp 25 | Non-league |
| 01/14/89 | Brewster 47, Entiat 40 | |
| 01/14/89 | Pateros 58, Bridgeport 55 | |
| 01/14/89 | Waterville-Mansfield 59, Liberty Bell 40 | |
| 01/17/89 | Manson 51, at Thorp 36 | Non-league |
| 01/17/89 | Warden 57, Soap Lake 31 | Non-league |
| 01/17/89 | Waterville-Mansfield 52, Bridgeport 48 | |
| 01/19/89 | at Waterville-Mansfield 62, Almira Coulee Hartline 31 | Non-league |
| 01/19/89 | Soap Lake 71, Wilson Creek 19 | |
| 01/20/89 | Entiat 66, Bridgeport 55 | |
| 01/20/89 | Liberty Bell 39, Manson 37 | |
| 01/20/89 | at Soap Lake 43, Thorp 26 | |
| 01/20/89 | Waterville-Mansfield 54, Pateros 51 | |
| 01/21/89 | Brewster 67, Liberty Bell 31 | |
| 01/21/89 | Pateros 65, Manson 41 | |
| 01/21/89 | at Thorp 56, Wilson Creek 28 | |
| 01/23/89 | Bridgeport 50, at Almira Coulee Hartline 46 | Non-league |
| 01/24/89 | Bridgeport 56, at Odessa 44 | Non-league |
| 01/24/89 | Manson 56, Soap Lake 44 | Non-league |
| 01/24/89 | Thorp 44, at Kittitas JV 22 | Non-league |
| 01/27/89 | Brewster 75, Pateros 71 OT | |
| 01/27/89 | Ellensburg C team 30, at Thorp 18 | Non-league |
| 01/27/89 | Entiat 47, Liberty Bell 32 | |
| 01/27/89 | Waterville-Mansfield 62, Manson 42 | |
| 01/28/89 | Bridgeport 55, Manson 25 | |
| 01/28/89 | Pateros 66, Entiat 45 | |
| 01/28/89 | Soap Lake 87, at Thorp 38 | |
| 01/28/89 | Waterville-Mansfield 48, Brewster 46 | |
| 01/31/89 | Entiat 83, at Thorp 14 | Non-league |
| 01/31/89 | Liberty Bell 42, Manson 37 | |
| 01/31/89 | Waterville-Mansfield JV 71, Wilson Creek 16 | Non-league |
| 02/03/89 | Brewster 57, Manson 37 | |
| 02/03/89 | Thorp 48, at Wilson Creek 18 | |
| 02/03/89 | Waterville-Mansfield 53, Entiat 34 | |
| 02/03/89 | Bridgeport defeated Liberty Bell | |
| 02/04/89 | Bridgeport 56, Brewster 54 | |
| 02/04/89 | Entiat 60, Manson 45 | |
| 02/04/89 | Pateros 64, Liberty Bell 26 | |
| 02/07/89 | Entiat 76, Soap Lake 43 | Central Washington Tournament (5th/6th) |
| 02/07/89 | Liberty Bell 75, Wilson Creek 12 | Central Washington Tournament (loser out) |
| 02/07/89 | Manson 51, Thorp 26 | Central Washington Tournament (loser out) |
| 02/10/89 | Bridgeport 62, Pateros 55 | Central Washington Tournament (3rd/4th) |
| 02/10/89 | Manson 42, Liberty Bell 27 | Central Washington Tournament (7th/8th) |
| 02/10/89 | Waterville-Mansfield 53, Brewster 47 | Central Washington Tournament (1st/2nd) |
| 02/16/89 | Brewster 59, Manson 41 | D6 B Tournament (loser out) |
| 02/16/89 | Bridgeport 71, Soap Lake 43 | D6 B Tournament (loser out) |
| 02/16/89 | Entiat 55, Pateros 52 | D6 B Tournament (loser out) |
| 02/16/89 | Waterville-Mansfield 53, Liberty Bell 28 | D6 B Tournament (loser out) |
| 02/18/89 | Bridgeport 54, Brewster 47 | D6 B Tournament |
| 02/18/89 | Waterville-Mansfield 44, Entiat 39 | D6 B Tournament |
| 02/21/89 | Brewster 64, Entiat 33 | D6 B Tournament (loser out) |
| 02/21/89 | Waterville-Mansfield 67, Bridgeport 50 | D6 B Tournament |
| 02/22/89 | Brewster 62, Bridgeport 55 | D6 B Tournament |
| 02/24/89 | Brewster 62, Waterville-Mansfield 58 | D6 B Tournament |
| 02/25/89 | Waterville-Mansfield 70, Brewster 49 | D6 B Tournament (winner 1st to state/loser out) |
| 03/01/89 | Willapa Valley 68, Waterville-Mansfield 59 | State B Tournament |
| 03/02/89 | Waterville-Mansfield 75, Neah Bay 48 | State B Tournament (loser out) |
| 03/03/89 | Glenwood 59, Waterville-Mansfield 57 | State B Tournament (loser out) |