S&P Global Ratings assigned its 'A+' underlying rating Jefferson County C-1 School District (Windsor), Mo.'s series 2019 general obligation (GO) refunding bonds. The outlook is stable. The bonds are GOs of the district and are secured by revenue from an unlimited ad valorem tax throughout the life of the bonds. Proceeds from the series 2019 bonds will be used to refund a portion of the district's outstanding debt for interest cost savings. The district, roughly 22 miles south of St. Louis, has a strong, stable economic base with increasing assessed value. Officials project that the district will draw down modestly on reserves over the next year as a result of recent enrollment declines and inflationary cost pressures but remain above