Standard&Poor's Ratings Services assigned its 'AAA' program (long-term) rating and 'AA-' school issuer credit rating (ICR) to Leander Independent School District (ISD), Texas' series 2014D unlimited-tax refunding bonds. At the same time, Standard&Poor's affirmed its 'AA-' ICR, long-term rating, and underlying rating (SPUR) on the district's state-enhanced and general obligation (GO) debt. The outlook on all issues is stable. The series 2014D and previously issued bonds are payable from an unlimited ad valorem tax levied on all taxable property in the district. The 2014D bond proceeds will be used to refund existing debt, intended to achieve an estimated $32.9 million in present value savings. The 'AAA' program rating reflects our view of a credit enhancement provided