The Hinckley Big Rock Community Unit School District 429 district serves all or some of: Big Rock, DeKalb, and Hinckley. Hinckley Big Rock Community Unit School District 429 currently has 20 single family homes for sale with an average list price of $459,419.75 and 1 condo for sale with a list price of $220,000 that attend the district. The average annual property tax for Hinckley Big Rock Community Unit School District 429 is $6,118.74.