TALLAHASSEE, FLA. 3/24/10-STEPUP32410 CH-Gov. Charlie Crist speaks to some 5,500 students, parents and educators from across Florida who came to the Capitol to urge lawmakers to level the playing field for Tax Credit Scholarships Wednesday in Tallahassee. The event was the largest parental choice rally in the nation. The scholarships serve 27,600 low-income students in 1,020 private schools in Florida. The Legislature is considering a bill to expand and strengthen the program..COLIN HACKLEY PHOTO .