Churches that take a regular offering for Lansing Christian are considered Supporting Churches. Lansing Christian families who belong to these churches receive a discount of $650 per year per child that is paid for by their church.
Supporting Churches of Lansing Christian School include:
| Bethel Church (CRC) – Lansing, IL |
| Cottage Grove Christian Reformed Church – South Holland, IL |
| Covenant Fellowship Church – South Holland, IL |
| Crete Church, PCA – Crete, IL |
| Lynwood United Reformed Church – Lynwood, IL |
| Faith United Reformed Church – Beecher, IL |
| First Church (PCA) of Lansing – Lansing, IL |
| First Orthodox Presbyterian Church – South Holland, IL |
| Grace Church – Lansing, IL |
| Hammond Christian Reformed Church – Hammond, IN |
| Hope Christian Reformed Church, Oak Forest, IL |
| Lynwood United Reformed Church – Lynwood, IL |
| Munster Church (CRC) – Munster, IN |
| New Hope Church (CRC) – Lansing, IL |
| Oak Glen United Reformed Church – Lansing, IL |
| Redeemer United Reformed Church – St. John, IN |
| Thorn Creek Reformed Church – South Holland, IL |