Amends paragraph (1) of subsection (a) of 38 U.S.C. 3501 to include siblings in certain subparagraphs and adds a new paragraph (13) defining 'sibling'.

Amends paragraphs (8), (9), and (10) of subsection (b) by striking the phrase "child or spouse" and inserting "child, spouse, or sibling".

Amends 38 U.S.C. 3319 to add siblings as eligible transferees of Post-9/11 educational assistance, insert new eligibility subparagraphs, add a limitation on age of use by sibling transferees with exceptions for siblings who act as primary providers of personal care services under section 1720G(a), redesignate paragraphs (6) and (7) as (7) and (8), and add a new subsection (m) defining 'sibling' as a brother or sister by blood, adoption, or through a recognized guardianship or family relationship.