SECTION 1.  Section 3 of chapter 71B of the General Laws, as appearing in the 2010 Official Edition, is hereby amended in the twelfth paragraph by inserting after the third sentence the following sentence:-

The school committee shall have the burden of proof in any proceeding conducted pursuant to this section.

SECTION 2. Said section 3 of said chapter 71B of the General Laws, as so appearing, is hereby further amended by inserting after the twelfth paragraph the following paragraph:-

Parents, guardians, or persons with custody of a student who have either requested a hearing before the bureau of special education appeals seeking resolution of any dispute, or are parties to a proceeding initiated by a school committee at such bureau, shall be entitled to reasonable attorney’s fees and related costs as a prevailing party if they achieve a favorable result in defense of the school committee’s action or if they obtain relief on a significant claim as a result of such request, or an appeal thereof, that effects a material alteration in the parties’ legal relationship, and is not merely de minimis, whether such relief is the result of a voluntary change in the school committee’s conduct, a settlement agreement, or a decision or order issued by a hearing officer or court.