Montana Constitution Art. X, § 6. Aid prohibited to sectarian schools

(1) The legislature, counties, cities, towns, school districts, and public corporations shall not make any direct or indirect appropriation or payment from any public fund or monies, or any grant of lands or other property for any sectarian purpose or to aid any church, school, academy, seminary, college, university, or other literary or scientific institution, controlled in whole or in part by any church, sect, or denomination.

(2) This section shall not apply to funds from federal sources provided to the state for the express purpose of distribution to non-public education.