Illinois › Mchenry County › McHenry County Regional Superintendent of Schools
2 candidates are tracked for McHenry County Regional Superintendent of Schools on the November 3, 2026 ballot: Diana Hartmann and Bridget Belcastro. Candidate information follows official Mchenry County election filings; verify with the official election office linked below.
Republican incumbent Diana Hartmann ran unopposed for her party's nomination on March 17, 2026 (13,246 votes); no Democrat filed for the office in the primary. Democrat Bridget Belcastro is running in November per her own campaign site and party materials, consistent with Illinois' process allowing county parties to fill nomination vacancies after a primary in which no candidate filed. Sources: McHenry County Clerk's official primary results reported by Shaw Local's Northwest Herald; Bridget Belcastro campaign site.
Diana Hartmann has more than 30 years of experience in K-12 education, including as a classroom teacher, coach, school administrator and district special-education administrator, per Diana Hartmann campaign site. She holds a bachelor's degree in economics, a master's degree in secondary education, and an Ed.S. with an Ed.D. in progress from Northern Illinois University, per Diana Hartmann campaign site. She was nominated to fill the Regional Superintendent vacancy in January 2022 and now serves as Regional Superintendent of Schools, per McHenry County, IL official county news.
2026 priorities (per the dianahartmann.com)
- Ensure every student has the opportunity to succeed
- Fiscal responsibility in stewardship of public resources
- Strengthen support systems for teachers and staff
Source: candidate campaign site.
Campaign site →
Bridget Belcastro has 32 years in education, including 19 years as a school administrator and 11 years as principal of Johnsburg Elementary School, per Bridget Belcastro campaign site. She holds a doctorate in education from Loyola University and was named the 2024 Illinois Elementary Principal of the Year and a 2024 National Distinguished Principal, per Bridget Belcastro campaign site.
2026 priorities (per the bridgetbelcastro.com)
- Support schools with experienced leadership
- Address truancy, attendance and school funding shortfalls
- Advocate for more resources for students
Source: candidate campaign site.
Campaign site →
