Nevada’s schools chief faced a barrage of retorts Friday from state lawmakers after suggesting class sizes shouldn’t be high on their education priority list.“In an ideal world I would ask that you lift class size restrictions” and let local school districts decide how best to spend their resources, Superintendent James Guthrie said during a joint meeting of the Assembly Ways and Means and Senate Finance committees.While agreeing that class size matters, “An effective teacher trumps all we know about class size,” he said before adding, “In an ideal world ... I wouldn’t be concerned about class size.”To Democratic lawmakers who …