Unified Track & Field All-Time Regional Championships
| No. | School | Years |
| 2 | Bedford North Lawrence | 2019, 2022 |
| 1 | Carmel | 2018 |
| 2 | Columbus North | 2017, 2018 |
| 1 | Elkhart Memorial | 2019 |
| 1 | Harrison (West Lafayette) | 2017 |
| 1 | Jennings County | 2021 |
| 1 | Lafayette Jefferson | 2022 |
| 1 | Merrillville | 2017 |
| 1 | Valparaiso | 2021 |
| No. | School | Years |
| 2 | Bedford North Lawrence | 2019, 2022 |
| 2 | Columbus North | 2017, 2018 |
| 1 | Carmel | 2018 |
| 1 | Elkhart Memorial | 2019 |
| 1 | Harrison (West Lafayette) | 2017 |
| 1 | Jennings County | 2021 |
| 1 | Lafayette Jefferson | 2022 |
| 1 | Merrillville | 2017 |
| 1 | Valparaiso | 2021 |