Standard&Poor's Ratings Services assigned its 'AAA' program rating and 'AA-' school issuer credit rating (ICR) and stable outlook to Leander Independent School District, Texas' series 2013A unlimited-tax general obligation (GO) refunding bonds and affirmed its 'AAA' program rating and 'AA-' ICR, with a stable outlook, on the district's existing GO debt issued under the Texas Permanent School Fund bond guarantee program. At the same time, Standard&Poor's assigned its 'AA-' long-term rating and stable outlook to the district's series 2013B unlimited-tax GO refunding bonds and affirmed its 'AA-' long-term rating and underlying rating (SPUR), with a stable outlook, on the district's existing GO debt not issued under the Texas Permanent School Fund. The program rating reflects our