By: Andrew Atterbury, Treasure Coast Newspapers
MARTIN COUNTY — A property-tax increase being eyed by the school district would generate $11.2 million annually over the next four years.
But the step toward a tax increase, approved 4-1 Tuesday by the School Board, essentially is a placeholder, and could change before it appears on the ballot later this year.
Board member Rebecca Negron cast the lone no vote.
The board wrestled with proposing either a sales-tax increase or property-tax hike to fund construction projects and give teachers raises…