Sec. A-57. 20-A MRSA §15688, sub-§4, as enacted by PL 2003, c. 712, §17, is amended to read:

4. Method of cost sharing; exception. For the purpose of local cost sharing, the provisions of subsection 3 3-A do not apply to municipalities that are members of a school administrative district or a community school district whose cost sharing formula was established pursuant to private and special law prior to January 1, 2004. For each municipality that is a member of a school administrative district or a community school district whose cost sharing formula was established pursuant to private and special law prior to January 1, 2004, the cost sharing formula established pursuant to private and special law determines each municipality's local cost of education.

Sec. A-58. 20-A MRSA §15689, sub-§1, as enacted by PL 2003, c. 712, §17, is repealed and the following enacted in its place:

1.__Minimum state allocation.__Each school administrative unit must be guaranteed a minimum state share of its total allocation that is an amount equal to the greater of the following:

A.__The sum of the following calculations:

(1)__Multiplying 5% of each school administrative unit's essential programs and services per-pupil elementary rate by the average number of resident kindergarten to grade 8 pupils as determined under section 15674, subsection 1, paragraph C, subparagraph (1); and

(2)__Multiplying 5% of each school administrative unit's essential programs and services per-pupil secondary rate by the average number of resident grade 9 to grade 12 pupils as determined under section 15674, subsection 1, paragraph C, subparagraph (1); and

B.__The school administrative unit's special education costs as calculated pursuant to section 15681-A, subsection 2 multiplied by the following transition percentages: