|What is your BIG Idea? AISD students in third through sixth grade are invited to submit an essay or piece of art communicating an idea for a new business or product. "What's Your Big Idea? Entrepreneurship Essay and Art Contest" entries are due Feb. 15. The semifinalists from every school that participates and districtwide winners will be recognized during Entrepreneurship Day March 23 at UTA’s College Park Center. The grand prize winners will receive a prize package that includes tickets to Arlington attractions such as Six Flags Over Texas and a Texas Rangers game as well as a T-shirt and trophy.