S&P Global Ratings assigned its 'AAA' long-term rating and 'AA' underlying rating to Leander Independent School District (ISD), Texas' approximately $528 million series 2025A unlimited-tax school building and refunding bonds. S&P Global Ratings also assigned its ?AA? underlying rating to Leander ISD?s roughly $39 million series 2025B unlimited-tax refunding bonds. At the same time, S&P Global Ratings affirmed its 'AA' underlying rating on the district's general obligation (GO) debt outstanding. The outlook is stable. The rating is based on the application of our " Methodology For Rating U.S. Governments ," published Sept. 9, 2024. The bonds are secured by an unlimited ad valorem tax levied annually against all taxable property within Leander ISD's borders. Bond proceeds will refund 2015A and