Indian School Construction Act

Indian School Construction Act - Directs the Secretary of the Interior to establish a pilot program under which eligible Indian tribes have the authority to issue tribal school modernization bonds to provide funds for the construction, rehabilitation, and repair of tribal schools, including advance planning and design.

Permits a tribe to use amounts received through a bond issue to enter contracts: (1) for the design and engineering of the school; and (2) with financial advisors, underwriters, attorneys, trustees, and other professionals to provide assistance to the tribe in issuing bonds.

Makes any tribal school modernization bond issued by a tribe subject to a trust agreement.

Authorizes the Secretary to deposit not more than $50 million into a tribal school modernization escrow account and to accept additional amounts from other federal agencies and non-federal public or private sources.

Declares that no bond shall be an obligation of, nor shall payment of the principal be guaranteed by, the United States, the tribes, or their schools. Exempts from federal income tax any earnings through the investment of funds under the control of a trustee. Amends the Internal Revenue Code to allow a tax credit to individuals who hold such bonds.