"School Building Accessibility and Deferred Maintenance Capital Improvement Grant Act", expanding eligibility for school building accessibility capital improvement grants to building deferred maintenance projects in school districts with fully accessible buildings as certified to the commissioner of children, families and learning, grants to cover a certain portion of approved project costs; specifying certain grant application and award and project review duties of the commissioner; eliminating the first priority under the grant program for certain cooperating and combining or consolidating school districts; appropriating money to the commissioner and authorizing the issuance of state bonds for the grants (mk)