The Church of Scotland hopes to move the artwork - which is nearly 100 years old - to another Galloway church.
Dalry Secondary in a rural corner of south-west Scotland is due to have just eight pupils by August.
The local authority starts the process to shut Dalry Secondary - due to have eight pupils by August.
The school in Dalry in Dumfries and Galloway is projected to have just eight pupils by August.
The man died at the scene of the collision between Saltcoats and Dalry on Thursday morning.
The sculpture being taken across the Glenkens before taking pride of place on the Southern Upland Way.
The criticism was over a company's decision to pause fuel donations, which were used to power rescue boats and blue light response vehicles.
Nith Inshore Rescue says it could affect its ability to "train, respond and save lives".
The local authority in Dumfries and Galloway says it caused "confusion and upset" for parents.