Standard&Poor's Ratings Services has raised its school issuer credit rating (ICR) on Lone Oak Independent School District, Texas' general obligation (GO) bonds to 'A+' from 'A', reflecting the district's: Agriculture-based local economy with ties to the greater Dallas metroplex. Maintenance of very strong general fund reserves, Good financial management practices, and Moderate overall net debt levels. The 'AAA' enhanced rating on the bonds is based on the strength and liquidity of the Texas Permanent School Fund. Lone Oak Independent School District serves an estimated population of 3,671 in Hunt County and is located 60 miles northeast of the Dallas metroplex. Income levels in the district are, in our opinion, good, with median household effective buying income at 106%