S&P Global Ratings assigned its 'A+' long-term rating and stable outlook to Burton School District, Calif.'s series 2019B election of 2016 general obligation (GO) bonds and affirmed its 'A+' underlying rating (SPUR), with a stable outlook, on the district's existing GO debt. S&P Global Ratings also affirmed its 'A' long-term rating and SPUR, with a stable outlook, on the district's certificates of participation (COPs). Revenue from unlimited ad valorem taxes levied on all taxable property within the district secures the GO bonds. Management will use series 2019B bond proceeds to renovate, construct, and improve school facilities. The COPs have an interest in base rental payments made by the district, as lessee, to Local Facilities Corp., a nonprofit public benefit corporation,