The folks at the Friedman Foundation for Educational Choice have put out a call for research proposals that explore the effects that choice and competition have on K-12 education. The foundation is looking for proposals from individual researchers or groups of researchers on any school-choice topic related to vouchers, education-savings accounts, and tax-credit scholarships. Accepted projects will receive contracts that range from $5,000 to $15,000, and priority will go to research that has implicatons for choice-program design, policymaking, and advocacy. See here for suggested topics, a suggested proposal structure, and submission guidelines.