Second-Stage Small Business Development Act of 2005

Second-Stage Small Business Development Act of 2005 - Directs the Administrator of the Small Business Administration (SBA) to carry out a four-year pilot program to make grants to eligible entities for the development of peer learning opportunities for second-stage small businesses.Defines as a second-stage small business one that: (1) has experienced high growth demonstrated by an average annual revenue or employee growth rate of at least 15 percent during the preceding three years; (2) does not exceed the size standard for the North American Industrial Classification System code of a small business; and (3) has any three of specified characteristics, including owning proprietary intellectual property, addressing an underserved or growing market, and ownership by minority individuals, service-disabled veterans, or women.

Provides a: (1) grant formula, with a minimum amount of $50,000; and (2) 50% matching funds requirement.

Requires: (1) quarterly reports from grant recipients to the Administrator on the use of grant funds; (2) an annual report from the Administrator to the President and Congress evaluating the pilot program; and (3) a Comptroller General pilot program evaluation and report to Congress and the Administrator. Terminates the pilot program on September 30, 2009.

Provides privacy requirements applicable to small business development centers administering pilot program assistance.

Authorizes appropriations.