| | 1April 1, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 12:30pm | Track: Varsity Meet vs Multiple Schools vs. Cedar Catholic High School (Away) | Hartington Sports Complex |
| 2 | 3April 3, 2025 | All Day | FFA State Convention in Lincoln | Lincoln, NE | All Day | NCAS Summative Window | Multi Purpose Room | All Day | DHHS Free Oral Health Screening | Allen Wrestling Building |
| 4 | 5 |
6 | 7April 7, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 12:00pm | Track: JH Meet vs Multiple Schools vs. Cedar Catholic High School (Away) (Date changed from 04-14-25) | Hartington Sports Complex |
| 8April 8, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 9:15am | NECC Career Day | Northeast Community College (NECC) | 2:00pm | Track: Varsity Invitational vs Multiple Schools vs. Hartington/Newcastle (Away) | Hartington Sports Complex |
| 9 | 10April 10, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 10:00am | Golf: Boys Varsity Invitational vs West Point Beemer vs. Tri County Northeast (Away) (Rescheduled from 03-31-25) | Indian Trails CC | 7:00pm | Spring Concert | Allen Gym |
| 11April 11, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 10:00am | Golf: Boys Varsity Invitational vs Multiple Schools vs. Guardian Angels Central Catholic (Away) | Indian Trails Country Club-Beemer |
| 12 |
13 | 14April 14, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 12:00pm | Track: JH Meet vs Multiple Schools vs. Cedar Catholic High School (Date Changed to 04-07-25) | Hartington Sports Complex | 6:00pm | School Board Meeting | Multi Purpose Room |
| 15April 15, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 1:00pm | Track: Varsity Meet vs Multiple Schools vs. Cedar Catholic High School (Away) | Hartington Sports Complex |
| 16April 16, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 1:00pm | Track: JH Invitational vs Multiple Schools vs. Ponca (Away) | Ponca High School |
| 17April 17, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 9:00am | Golf: Boys Varsity Invitational vs Multiple Schools vs. Laurel-Concord-Coleridge (Away) | LAUREL GOLF COURSE | 12:00pm | Track: Varsity Invitational vs Multiple Schools vs. Homer High School (Away) (Time Changed) | Homer High School | 1:50pm | Early Out | |
| 18 | 19 |
20 | 21 | 22April 22, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 2:00pm | Track: Varsity Meet vs Multiple Schools vs. Laurel-Concord-Coleridge (Away) | Laurel, NE |
| 23April 23, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | All Day | FFA Officer Interviews | AG Room | 8:00am | NJAS Science Fair | UNL | 9:00am | Track: JH Meet vs Multiple Schools vs. Laurel-Concord-Coleridge (Away) | Laurel, NE |
| 24April 24, 2025 | All Day | NCAS Summative Window | Multi Purpose Room | 8:00am | NJAS Science Fair | UNL | 9:00am | Golf: Boys Varsity Invitational vs Lutheran High NE vs. Tri County Northeast (Away) | Norfolk Country Club | 3:30pm | Track: Varsity Invitational vs Ponca vs. Tri County Northeast (Away) | Ponca High School |
| 25 | 26April 26, 2025 | 10:30am | Track: JH Conference vs Creighton Community School vs. Tri County Northeast (Away) | Creighton Community High School |
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27 | 28 | 29April 29, 2025 | All Day | AIMS Web Testing - Elem (Tentative) | Multi Purpose Room | All Day | NCAS Summative Window | Multi Purpose Room | 3:00pm | Track: Varsity Invitational vs Multiple Schools vs. Ponca (Away) | Ponca High School | 3:30pm | Golf: Boys Varsity Dual vs Homer High School vs. Tri County Northeast (Away) | Covington Links Golf Course |
| 30April 30, 2025 | All Day | AIMS Web Testing - Elem (Tentative) | Multi Purpose Room | All Day | NCAS Summative Window | Multi Purpose Room | 9:00am | Golf: Boys Varsity Invitational vs Niobrara-Verdigre vs. Tri County Northeast (Away) | Tatanka Golf Course | 9:30am | Kindergarten Round Up - - No Preschool Or Kindergarten Classes Today! | Lunch Room | 9:30am | Preschool Roundup - - No Preschool Or Kindergarten Classes Today! | Lunch Room |
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