Raising the prospect of “irreversible damage” to the public education system, nine school boards want the Florida Supreme Court to block a massive education law approved in May.The school boards late Monday filed a constitutional challenge at the Supreme Court to the bill, which has become known in the education world by the shorthand HB 7069. The 274-page bill, spearheaded by House Speaker Richard Corcoran, dealt with a wide range of issues, including controversial subjects such as charter schools and teacher bonuses.