1. Uniform system of free public schools. 2. Perpetual trust fund for maintenance of public schools--Principal inviolate. 3. Fund income apportioned among schools--Apportionment of fines. 4. Sale of school lands--Appraisal. 5. Terms of sale of school lands. 6. Conduct of sales of school lands--Conveyance of right or title. 7. Perpetual trust fund from proceeds of grants and gifts. 8. Appraisal and sale of donated lands--Separate accounts. 9. Lease of school lands. 10. Trespassers' claims to public lands not recognized--Improvements not compensated. 11. Investment of permanent educational funds. 12. Disapproval by Governor of sale, lease or investment. 13. Audit of losses to permanent educational funds--Permanent debt--Interest. 14. Protection and defense of school lands. 15. Taxation to support school system--Classification of property. 16. Public support of sectarian instruction prohibited. 17. Interest in sale of school equipment prohibited. 18. Apportionment of mineral leasing moneys--Amounts covered into permanent funds. 19. Mineral rights reserved to state--Leases permitted. 20. Loan of nonsectarian textbooks to all school children.