The document announces a high school hackathon called Erie Hack High School Hack-a-thon that will take place on April 29th in Cleveland, Ohio. It will bring together high school students from various cities around Lake Erie to compete and come up with solutions for Lake Erie's water quality issues. The winner will receive a $1,000 grand prize. Jeff Hoffman, co-founder of priceline.com, will deliver a keynote speech. The hackathon is a precursor to the larger Erie Hack Competition and Water Innovation Summit on May 2nd and 3rd, which will award over $100,000 total for solutions to Lake Erie challenges.