; supplement not supplant (a) Duration of grants (1) In general Except as provided in paragraph (2), grants under this title and subgrants under section 104(a) may not exceed 3 years in duration. (2) Renewals (A) In general Grants under this title and subgrants under section 104(a) may be renewed in 2-year increments. (B) Conditions In order to be eligible to have a grant or subgrant renewed under this paragraph, the grant or subgrant recipient shall demonstrate, to the satisfaction of the granting entity, that— (i) the recipient has complied with the terms of the grant or subgrant, including by undertaking all required activities; and (ii) during the period of the grant or subgrant, there has been significant progress in— (I) student academic achievement