...S&P Global Ratings affirmed its 'A+' long-term rating and underlying rating (SPUR) on Siskiyou Joint Community College District, Calif.'s general obligation (GO) bonds outstanding. The outlook is stable. The ratings reflect our opinion of the district's: + Inherent operational flexibility provided by the ability to reduce class sections and curriculum if required, + Maintenance of a strong available fund balance, and + Low overall debt burden. In our view, the preceding credit strengths are partly offset by the district's below-average income indicators. Unlimited ad valorem taxes levied on taxable property within the district secure the GO bonds. Siskiyou Community College District serves approximately 45,000 residents of Northern California in a 6,287-square-mile area that includes Siskiyou County and a small portion of Shasta County. Historically centered on agriculture and timber, the local economy is shifting to service-based industries. As a result, Siskiyou County's income levels...