More change is coming to Idaho public schools. Teachers are putting in place new reading plans they hope will close the gap for the one-third of third-graders who don’t read on grade level — a pivotal threshold for creating strong readers. More high school students than ever are signing up for dual-credit classes, giving them a head start on college credit that may lure them to higher education. A handful of public schools are experimenting with learning based on how well a student can master a subject, not mostly on the amount of time students spend in a classroom. Many teachers are earning more money based on a “career ladder” system that will soon take into account job performance in setting teacher pay. All these changes and more are rooted in the work of a task force brought together by Gov. Butch Otter nearly four years ago that studied ways to improve Idaho public schools.