| September |
| * | 1 | 5:00PM | Bern | @ | Onaga | 20-25,15-25 | |
| | Onaga Quad: Onaga won 25-20, 25-15 | |
| * | | 5:00PM | Blue Valley | @ | Onaga | 16-25,11-25 | |
| | Onaga Quad: Onaga won 25-16, 25-11. | |
| * | | 5:00PM | Wetmore | @ | Onaga | 16-25,11-25 | |
| | Onaga Quad: Onaga won 25-16, 25-11. | |
| | 3 | 5:00PM | Jackson Heights High School | @ | Onaga | 11-25,16-25 | |
| | Onaga won 25-11, 25-16 | |
| | | 5:00PM | Wabaunsee High School | @ | Onaga | 13-25,21-25 | |
| | Onaga won 25-13, 25-21 | |
| * | 8 | 5:00PM | Valley Heights | vs. | Onaga | 17-25,25-14,25-15 | |
| | Wetmore Tri: VHTS won 17-25, 25-14, 25-15 | |
| | | 5:00PM | Onaga | @ | Wetmore | 25-13,25-8 | |
| | Wetmore Tri: Onaga won 25-13, 25-8 | |
| | 12 | | Onaga | vs. | Frankfort | 18-25,25-20,25-21 | |
| | St. Xavier Invitational: Onaga won 18-25, 25-20, 25-21 | |
| | | | Onaga | vs. | Burlingame High School | 25-21,25-19 | |
| | St. Xavier Invitational: Onaga won 25-21, 25-19 | |
| | | | Onaga | vs. | Kickapoo Nation | 25-2,25-4 | |
| | St. Xavier Invitational: Onaga won 25-2, 25-4 | |
| | | | Onaga | vs. | Wetmore | 25-15,25-21 | |
| | St. Xavier Invitational: Onaga won 25-15, 25-21 | |
| | | | Onaga | vs. | Frankfort | 25-21,21-25,20-25 | |
| | St. Xavier Invitational: FFort won 21-25, 25-21, 25-20 | |
| | | 8:30AM | Onaga | @ | St. Xavier High School | 25-10,25-3 | |
| | St. Xavier Invitational: Onaga won 25-10, 25-3 | |
| * | 15 | 5:00PM | Onaga | @ | Clifton-Clyde | 21-25,25-13,26-24 | |
| | Clifton-Clyde Tri: Onaga won 21-25, 25-13, 26-24 | |
| * | | 5:00PM | Onaga | vs. | Hanover | 25-17,27-25 | |
| | Clifton-Clyde Tri: Onaga won 25-17, 27-25 | |
| * | 22 | 5:00PM | Onaga | @ | Linn | 23-25,25-21,21-25 | |
| | LinnTri: Linn won 25-23, 21-25, 25-21 | |
| * | | 5:00PM | Onaga | vs. | Washington County | 25-18,25-9 | |
| | LinnTri: Onaga won 25-18, 25-9 | |
| * | 29 | 5:00PM | Onaga | vs. | B&B | 19-25,15-25 | |
| | Frankfort Tri: B&B won 25-19, 25-15 | |
| * | | 5:00PM | Onaga | @ | Frankfort | 17-25,23-25 | |
| | Frankfort Tri: Ffort won 25-17, 25-23 | |
| October |
| | 3 | | Onaga | vs. | Wetmore | 25-14,25-17 | |
| | Onaga Invitational: Onaga won 25-14, 25-17 | |
| | | | Onaga | vs. | Mission Valley High School | 25-15,25-13 | |
| | Onaga Invitational: Onaga won 25-15, 25-13 | |
| | | | Onaga | vs. | Blue Valley | 25-10,25-10 | |
| | Onaga Invitational: Onaga won 25-10, 25-10 | |
| | | | Onaga | vs. | Wabaunsee High School | 25-18,25-27,25-18 | |
| | Onaga Invitational: Onaga won 25-18, 25-27, 25-18 | |
| | | 8:00AM | Onaga | @ | Frankfort | 16-25,16-25 | |
| | Onaga Invitational: FFort won 25-16, 25-16 | |
| * | 6 | 5:00PM | Axtell | @ | Onaga | 15-25,10-25 | |
| | Onaga Quad: Onaga won 25-15, 25-10 | |
| * | | 5:00PM | Centralia | @ | Onaga | 25-18,21-25,29-27 | |
| | Onaga Quad: Cent won 25-18, 21-25, 29-27 | |
| | | 5:00PM | Frankfort | @ | Onaga | 26-24,25-20 | |
| | Onaga Quad: Ffort won 26-24, 25-20 | |
| | 13 | 5:00PM | Onaga | @ | Centralia | 17-25,21-25 | |
| | Centrailia Tri: Cent won 25-17, 25-21 | |
| | | 5:00PM | Onaga | vs. | Wetmore | 25-18,25-17 | |
| | Centrailia Tri: Onaga won 25-18, 25-17 | |
| | 17 | | B&B | vs. | Onaga | 25-15,22-25,22-25 | |
| | TVL Tournament at Randolph: Onaga won 15-25, 25-22, 25-22 | |
| | | | Onaga | vs. | Centralia | 20-25,25-27 | |
| | TVL Tournament at Randolph: Semi: Cent won 25-20, 27-25 | |
| | | | Onaga | vs. | Valley Heights | 12-25,25-20,25-23 | |
| | TVL Tournament at Randolph: 3rd Place: Onaga won 12-25, 25-20, 25-23 | |
| | | 9:00AM | Frankfort | @ | Onaga | 25-19,25-22 | |
| | TVL Tournament at Randolph: FFort won 25-19, 25-22 | |
| | | 9:00AM | Onaga | @ | Linn | 25-10,25-14 | |
| | TVL Tournament at Randolph: Onaga won 25-10, 25-14 | |
| | 24 | | Onaga | vs. | Valley Heights | 24-26,23-25 | |
| | 2A Sub-State Final @ Onaga: V.Hts won 26-24, 25-23 | |
| | | | Onaga | vs. | Nemaha Valley | 25-18,25-23 | |
| | 2A Sub-State 1st Rd @ Onaga: Onaga won 25-18, 25-23 | |
| | | 2:00PM | Mission Valley High School | vs. | Onaga | 9-25,21-25 | |
| | 2A Sub-State 1st Rd @ Onaga: Onaga won 25-9, 25-21 | |
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