Standard&Poor's Rating Services affirmed its 'A' rating and stable outlook on Bishop Consolidated Independent School District, Texas' unlimited tax school building bonds. In addition, Standard&Poor's affirmed its 'AAA' enhanced rating and 'A' issuer credit rating (ICR) on the district's existing general obligation (GO) debt. The enhanced rating is based on our rating on the Texas Permanent School Fund. The 'A' ICR on the bonds reflects our opinion of the district's: Good wealth and income levels and very strong market value per capita due to the presence of the petrochemical industry in the area; and Continued strong financial position despite recent planned reserve reductions. In our opinion, the district's credit strengths are limited by some volatility in