- 2022 – 2023 – Immaculate Conception (Charles City) and Newman Catholic School (Mason City)
- 2021 – 2022 – Bosco Catholic School Systems (Gilbertville)
- 2020 – 2021 – Athanasius Catholic School (Jesup)
- 2019 – 2020 – Joseph Community School (New Hampton)
- 2018 – 2019 – Immaculate Conception (Charles City)
- 2017 – 2018 – Newman Catholic School (Mason City)