...S&P Global Ratings has assigned its '##-' long-term rating and its 'A' underlying rating for credit program to Lincoln Park School District, Mich.'s series 2018 refunding unlimited-tax general obligation (GO) bonds. At the same time, we affirmed our '##-' long-term rating and 'A' underlying rating for credit program on the district's existing GO bonds. The outlook on the underlying rating is stable and the outlook on the program rating is positive. The bonds are secured by the district's full faith and credit and power to levy unlimited ad valorem taxes. It is our understanding that bond proceeds will be used to currently refund the district's 2008 outstanding bonds for interest cost savings. The '##-' long-term rating reflects our view of the district's qualification for, and participation in, the Michigan school bond qualification and loan program. The underlying rating reflects our view of the district's:...