Standard&Poor's Ratings Services assigned its 'AAA' enhanced program rating and 'AA-' school issuer credit rating (ICR), and stable outlook, to Leander Independent School District, Texas' series 2010A unlimited-tax general obligation (GO) refunding bonds and affirmed its 'AA-' ICR, long-term rating, and underlying rating (SPUR), with a stable outlook, on the district's existing GO debt. The 'AAA' enhanced rating reflects the Texas Permanent School Fund guarantee. The 'AA-' rating reflects our view of the district's: Participation in the growing and diverse Austin metropolitan statistical area (MSA) economy; Very strong wealth and income levels; and Very strong historical financial position, reflected by consistently high fund balances, despite continued growth pressures. Our view of the district's high overall debt burden and