; (ii) for students without dependents residing in institutionally owned or operated housing, shall be a standard allowance determined by the institution based on the amount normally assessed most of its residents for room and board; (iii) for students who live in housing located on a military base or for which a basic allowance is provided under section 403(b) of title 37, United States Code, shall be an allowance based on the expenses reasonably incurred by such students for board but not for room; and (iv) for all other students shall be an allowance based on the expenses reasonably incurred by such students for room and board. (3) Debt-free college commitment The term debt-free college commitment means a commitment by a State participating in the State-Federal partnership under this part to cover the unmet financial need for all eligible students. (4) Eligible student The term eligible student means an individual who— (A) is enrolled, or is eligible to enroll, in a public institution of higher education in the State in which the individual resides; (B) completes a Free Application for Federal Student Aid