105 ILCS 5/29-3.2: Transportation to and from activities of private schools.

The school board of any school district that provides transportation for pupils to and from the public schools may, by agreement with the officials of a non-public school, provide transportation, at times when the buses or other conveyances are not needed for public school student transportation, for students attending the non-public school to and from activities sponsored by that school. Such a school board providing transportation under this Section shall make a charge for furnishing that transportation in an amount not less than the cost thereof, including a reasonable allowance for the depreciation of each vehicle used in that transportation.