(Sergeant Bluff-Luton vs Le Mars) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 8 | 9 | 18 | 15 | 50 |
| LMR | 6 | 3 | 3 | 17 | 29 |
(Sioux City West vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| SCW | 18 | 18 | 9 | 7 | 52 |
| SBL | 23 | 14 | 21 | 14 | 72 |
(Sioux City North vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| SCN | 3 | 4 | 18 | 5 | 30 |
| SBL | 25 | 10 | 14 | 11 | 60 |
(Council Bluffs Lincoln vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| CB L | 19 | 10 | 7 | 19 | 55 |
| SBL | 16 | 13 | 11 | 6 | 46 |
(Western Christian vs Sergeant Bluff-Luton)
| 1 | 2 | 3 | 4 | T | |
| WCH | 21 | 11 | 6 | 9 | 47 |
| SBL | 15 | 10 | 9 | 17 | 51 |
(Dakota Valley vs Sergeant Bluff-Luton)
| 1 | 2 | 3 | 4 | T | |
| 13 | 7 | 16 | 26 | 62 | |
| SBL | 12 | 15 | 15 | 16 | 58 |
(Sergeant Bluff-Luton vs MMCRU)
| 1 | 2 | 3 | 4 | T | |
| SBL | 13 | 8 | 18 | 18 | 57 |
| MMCRU | 13 | 17 | 12 | 25 | 67 |
(Bishop Heelan vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| B H | 11 | 6 | 11 | 15 | 43 |
| SBL | 13 | 5 | 13 | 9 | 40 |
Postponed
Postponed C
(Council Bluffs Jefferson vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| CB J | 3 | 6 | 4 | 2 | 15 |
| SBL | 17 | 13 | 13 | 10 | 53 |
(Le Mars vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| LMR | 5 | 6 | 11 | 13 | 35 |
| SBL | 10 | 10 | 10 | 17 | 47 |
(Sergeant Bluff-Luton vs Sioux City West) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 16 | 15 | 14 | 15 | 60 |
| SCW | 10 | 15 | 19 | 7 | 51 |
(Spencer vs Sergeant Bluff-Luton)
| 1 | 2 | 3 | 4 | T | |
| SPN | 7 | 16 | 17 | 11 | 51 |
| SBL | 14 | 10 | 14 | 10 | 48 |
(Sergeant Bluff-Luton vs Council Bluffs Lincoln) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 13 | 9 | 11 | 10 | 43 |
| CB L | 0 | 11 | 10 | 12 | 33 |
(Sioux City East vs Sergeant Bluff-Luton) C
| 1 | 2 | 3 | 4 | T | |
| SCE | 11 | 5 | 12 | 26 | 54 |
| SBL | 14 | 7 | 10 | 10 | 41 |
(Sergeant Bluff-Luton vs Sioux City North) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 19 | 14 | 22 | 7 | 62 |
| SCN | 7 | 4 | 9 | 8 | 28 |
(Sergeant Bluff-Luton vs Bishop Heelan) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 13 | 10 | 8 | 9 | 40 |
| B H | 11 | 10 | 11 | 6 | 38 |
(Sergeant Bluff-Luton vs Denison-Schleswig)
| 1 | 2 | 3 | 4 | T | |
| SBL | 14 | 9 | 13 | 7 | 43 |
| DSCH | 10 | 7 | 13 | 6 | 36 |
(Sergeant Bluff-Luton vs Council Bluffs Jefferson) C
| 1 | 2 | 3 | 4 | T | |
| SBL | 9 | 13 | 14 | 12 | 48 |
| CB J | 9 | 9 | 5 | 7 | 30 |
(Sergeant Bluff-Luton vs South Sioux City)
| 1 | 2 | 3 | 4 | T | |
| SBL | 11 | 16 | 7 | 22 | 56 |
| 18 | 6 | 11 | 24 | 59 |
Rescheduled from 12/17 C
| 1 | 2 | 3 | 4 | T | |
| SBL | 16 | 14 | 2 | 6 | 38 |
| SCE | 10 | 7 | 14 | 12 | 43 |
Class 4A - Region 1 Semifinal
| 1 | 2 | 3 | 4 | T | |
| LMR | 9 | 7 | 13 | 0 | 29 |
| SBL | 7 | 17 | 10 | 12 | 46 |
Class 4A - Region 1 Championship
| 1 | 2 | 3 | 4 | T | |
| SBL | 16 | 8 | 13 | 14 | 51 |
| GLNW | 15 | 25 | 26 | 8 | 74 |
| Team | CONF | ST | OVER | PCT |
|---|---|---|---|---|
| Sioux City East | 13-1 | L1 | 18-5 | .783 |
| Bishop Heelan | 10-4 | L1 | 17-6 | .739 |
| Sergeant Bluff-Luton | 10-4 | L1 | 13-9 | .591 |
| Le Mars | 9-5 | L1 | 14-9 | .609 |
| Council Bluffs Lincoln | 8-6 | L1 | 10-11 | .476 |
| Sioux City West | 4-10 | L2 | 5-16 | .238 |
| Council Bluffs Jefferson | 1-13 | L2 | 2-20 | .091 |
| Sioux City North | 1-13 | L15 | 1-21 | .045 |