; (C) the extent to which stakeholders and partnerships are included; (D) innovative approaches to scaling green school practices and learning; (E) the engagement of past award winners in the program, including as mentors or advisors to other eligible entities; and (F) other criteria as may be identified by the Secretary. (4) Amount of grants In carrying out this subsection, the Secretary may determine the amount of each grant award, except that no grant award shall be for an amount that is less than $250,000 nor more than $1,000,000. (5) Time period Grant funds awarded under this subsection shall be available for use by the grant awardee for not more than 3 years. (6) Allowed uses A State educational agency that receives a grant under this subsection shall use the grant funds to increase and support eligible entities in becoming Green Ribbon School award winners, including by— (A) establishing State-level Green Ribbon awards and recognition events; (B) working in partnership with nonprofit green school organizations and other organizations, utilities, businesses, and other State and local governmental entities to inform, educate, and support eligible entities regarding actions to make progress toward all 3 of the Green Ribbon pillars; (C) using resources from the Department of Education and its green schools partners, as appropriate, to curate and disseminate resources about best green school practices and provide statewide training and professional development in the Green Ribbon pillars; (D) utilizing innovative ways to promote— (i) the implementation of green school practices; and (ii) the Green Ribbon Schools Program and any State-level Green Ribbon schools program