...CENTENNIAL (S&P Global Ratings) Sept. 23, 2016--S&P Global Ratings raised its underlying rating (SPUR) on Leander Independent School District (ISD), Texas' existing general obligation (GO) debt to '##' from '##-'. S&P Global Ratings also assigned its '###' long-term rating to the district's series 2016A unlimited tax refunding bonds, reflecting its view of the district's eligibility for, and participation in, the Texas Permanent School Fund bond guarantee program, which provides the security of a permanent fund of assets the district can use to meet debt service on bonds guaranteed by the program. At the same time, the rating service assigned its '##' underlying rating for credit program on the district. The outlook on all ratings is stable. "The higher rating reflects the district's implementation of a more robust planning framework to moderate its long-term exposure and reliance on capital appreciation bonds to fund growth-related capital needs," said S&P Global Ratings credit analyst...