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Community Unit School District 300

Community Unit School District 300 (D300) offers a free mobile app that is available to the community on the App Store and Google Play. The district is headquartered in Algonquin and stretches into 14 other communities across 118 square miles, including Carpentersville, East and West Dundee, Gilberts, Pingree Grove, and Sleepy Hollow. At nearly 21,000 students in preschool through 12th grade, D300 is the sixth largest school district in the State of Illinois.

Preschool programming is available at some D300 schools, and full-day Kindergarten is available at every elementary school for all students. The district offers virtual learning opportunities, a dual language program for English and Spanish speakers, dual credit programming, an award-winning music program and a robust selection of Advance Placement courses. D300 graduates earn nearly $16 million a year in college scholarships, and more than 75 teachers in the district have received the prestigious National Board Certification.

D300’s financial planning and reporting has received many state and national awards. Notably, D300 has maintained a balanced budget for the past several years and historically has one of the lower tax rates among all K-12 school districts in Kane County and McHenry County.

The Superintendent is Fred Heid.

For more information, visit or call the D300 Central Office at (847) 551-8300.

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