The Blackhawk School District has canceled all classes for today due to a threat made on social media. According to the school district’s website, it was made aware of “statements made on social media that have caused concern for many of our residents.” The school district said that local law enforcement completed an investigation of the individuals responsible for the posts, and the administration met with police last night. The school district also said that it is “in the process” of determining if the threat made toward the school was credible.