S&P Global Ratings assigned its 'AAA' long-term rating and 'A' underlying rating to Bishop Consolidated Independent School District (ISD), Texas' series 2017 unlimited-tax refunding bonds. At the same time, S&P Global Ratings affirmed its 'A' underlying rating on the district's existing general obligation debt. The outlook on all ratings is stable. The 'AAA' enhanced program rating reflects our view of the ISD's eligibility for, and participation in, the Texas Permanent School Fund (PSF) 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. (For more information on the program rating, see the report published Jan. 25, 2017, on RatingsDirect.) The 'A' underlying rating