Standard&Poor's Ratings Services affirmed its 'AA-' long-term rating and underlying rating and 'BBB+' issuer credit rating (ICR) on the School District of the City of Lincoln Park, Mich.'s previously issued general obligation (GO) debt. The outlook on the enhanced long-term rating and SPUR is positive. The outlook on the ICR is stable. The 'AA-' rating reflects our view of the district's participation in the state enhancement program. The 'BBB+' ICR reflects our view of the district's: Low market value per capita after several years of declines; Good general fund reserves although all of the reserves are assigned for self-insured health claims and in anticipation of paying back the county for special education expenses not covered by county property