Community Unit District 300's bond ratings have remained stable, according to a report the district's chief financial officer presented to the board Monday.
Moody's assigned the district bond an "Aa3" bond rating, while Standard and Poors rated the district "AA."
Chief Financial Officer Susan Harkin noted that the district's tax base is depreciating, but added that the district can help improve its ratings by limiting operating fund deficits and maintaining and increasing reserves.
But other areas are out of the district's control, including Illinois' money and pension funding issues, she said.
"The state of Illinois' financial outlook will continue to hurt us," Harkin said.
Bond credit ratings measure the credit worthiness of a government agency's or corporation's debt issues.
Moody's previously rated the district in 2010, while Standard and Poors assigned its previous rating in 2012.
The highest rating both agencies issue is a triple A.