Belleville District 201 board approves 5 administrator salaries over $100k By Eric Kohn 04/13/2017 Though the median household income in Belleville is only $43,318, Belleville Township School District 201’s top administrators are making six-figure salaries. TAGS: Andrea Gannon, Belleville, Belleville Township School District 201, Brian Mentzer, education, Jeff Dosier, Melissa Taylor, Metro East, property taxes, Rich Mertens, St. Clair County, TIF: Tax Increment Financing