The general election hasn't even happened yet but Laura Sibilia is already looking ahead to the next one. The longtime independent lawmaker from Dover announced on Tuesday that she plans to challenge House Speaker Jill Krowinski (D-Burlington) for the post next session. Sibilia, who was first elected in 2014, told colleagues in a note shared with the media that she wanted to lead the chamber next biennium to help tackle unaddressed issues such as affordability, housing, health care and education. “Too many voices are going unheard, both of Vermonters and of legislators, and important work remains unfinished, even with a supermajority,” Sibilia wrote. It is unusual for a lawmaker to publicly announce plans to pursue a leadership role before an election, but Sibilia is running unopposed in her rural district, which includes Dover, Jamaica, Somerset, Stratton and Wardsboro. Krowinski doesn't face a challenger for her Burlington seat, either. In an interview, Sibilia said she had spoken to House leadership and dozens of fellow lawmakers about her frustrations and made the decision that a leadership change was needed for the 150-member chamber. “I don’t want to take anything away from any of my colleagues, but we just aren’t getting the work that must be done done,” she said. The state’s education system, for example, “has never been so fragile,” she said. And yet instead of addressing myriad pressing issues — from workforce challenges to new school construction to PCB removal — lawmakers are merely “tinkering” with school funding formulas, she said. "The whole system needs structural overhaul," she said. The reform needed in the education system will take several years, and Sibilia said she doesn't see House leaders laying out a plan for how to tackle the work. The same for health care and the affordability crisis, she said. "I think a lot of members feel vulnerable because that work has not been done and they are unable to communicate to Vermonters about those things," she said. Sibilia is known as one of the hardest working lawmakers in the House and is well regarded by people on both sides of the aisle. She was a strong supporter of the Global Warming Solutions Act and the subsequent Clean Heat Standard.  Sibilia floated the idea of trying to tackle fewer issues, with more focus on the most consequential ones. "I definitely think we have a tendency to do too many things…