S&P Global Ratings raised its rating to 'A+' from 'A' on Delano Joint Union High School District, Calif.'s general obligation (GO) bonds. The outlook is stable. The rating action is based upon the district's significantly improved available fund balances to a level that we view as very strong or above 30% of general fund operating expenditures, with expectations to remain at or near the current level. The bonds are secured by revenue from the district's unlimited ad valorem property tax pledge, which obligates the district to annually levy taxes on taxable property within the district without limitation as to rate or amount such that legally available funds are sufficient to make principal and interest payments. The Kern and Tulare County