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editorial

Charter school company shows that time is on students’ side

It is maddening that Boston’s public schools must reach the precipice of collapse before they can use one of the most important tools of school reform — a longer school day.

This week, the School Department announced that it wants to turn the poorly performing Marshall Elementary in Dorchester into an in-district charter run by the education-management nonprofit Unlocking Potential. This change is entirely justified. In the simple act of converting from a regular public school to a charter, the school day would increase from six hours to eight. A year ago, Unlocking Potential took over the troubled Gavin Middle School in South Boston. Test scores soared, and the renamed UP Academy’s longer day clearly helped.

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