A lawsuit says the district failed to meet public notice requirements before its April 29 meeting. Diane Wilson, the plaintiff, called it “a deliberate attempt to avoid public opposition.”By Dylan BaddourAn environmental organization on the rural Texas coast sued a local school district on Tuesday, alleging it failed to adequately notify the public before entering into tax break negotiations with ExxonMobil Corp. for a $10 billion plastics plant proposed in the area.