Charter Schools

More schools waived from post-Labor Day start requirement

Michigan is waiving more public schools from a decade-old law requirement to open after Labor Day — a nod to increasingly popular year-round schooling, the addition of more mandated class days and other factors.

In 2006, the first year in which August start dates were legally off limits without an exemption, the state Department of Education issued nine waivers — two to K-12 districts and seven to charter schools. More than 10 times as many exemptions were granted for the last school year.

They covered 11 percent of districts or charters statewide, including 47 K-12 districts, 11 intermediate districts (which can include all districts within a county or a...