Relating to education; authorizing school boards and exclusive representatives of school principals to negotiate a plan for a probationary period for internally hired principals; clarifying certain teacher discharge or demotion hearing procedures and expanding school board notice requirements; modifying the nonpublic pupil transportation aid formula and providing a formula for charter school transportation aid; broadening qualifying school site funding for the first grade preparedness program; providing for funding by the state of charter school unreimbursed special education aid; increasing the school district limited English proficiency (LEP) programs aid formula; requiring and providing for commissioner of children, families and learning payment of residential treatment aid to school districts for unreimbursed tuition costs for children with disabilities placed for care and treatment; increasing the special education base revenue formula, modifying the formulas for adjusted special education base revenue and excess cost aid and increasing the state total special education aid amount; entitling first class city school districts to equity revenue; modifying the compensatory revenue building allocation formula; establishing severance and early retirement costs revenue and aid for school districts; modifying the department of revenue assessment sales ratio study basis for the computation of school district net tax capacity; authorizing and providing for independent school district 625, St. Paul to issue general obligation bonds for acquisition and betterment of school facilities, limit, requiring a property tax levy for debt service payment purposes; appropriating money to the department of children, families and learning for minority fellowship, teachers of color and first grade preparedness grants and for nonpublic pupil and charter school transportation and charter school special education and unreimbursed special education aids; repealing certain special education excess cost aid provisions (mk)