Enacts new GS 115C-336.2 requiring the State Board of Education (Board) to adopt rules and regulations allowing sick leave and vacation leave to be transferred between a charter school and a local school administrative unit. Specifies that leave accepted by the local school administrative unit must not result in accruing leave at a greater rate than the rate set by the Board. Amends GS 115C-218.90 by making conforming changes.