KATHLEEN MCGORRY-TIMES/HERALS TALLAHASSEE BUREAU

TALLAHASSEE — The statewide teachers union, school boards association and PTA filed a lawsuit Thursday challenging the constitutionality of Florida’s school voucher program.

The lawsuit contends that the voucher program, which provides private-school scholarships to low-income children, conflicts with the state’s constitutional duty to provide a “uniform, efficient, safe, secure and high quality system of free public schools.” MORE…