Standard&Poor's Ratings Services changed its long-term rating to 'AAA' from 'A+' on Fort Stockton Independent School District, Texas' series 2010 unlimited-tax school building bonds based on the qualification of the bonds for inclusion in the Texas Permanent School Fund guarantee program. In addition, Standard&Poor's assigned its 'A+' issuer credit rating (ICR) to the bonds. The outlook on all ratings is stable. The 'AAA' enhanced program rating reflects 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 the bonds guaranteed by the program. The rating on the program is based on the