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The PA Department of Education does not require local school districts to get approval from the Department to change school hours or even to decide which classes to hold and which classes not to hold, those decisions are left locally to the various individual school boards or school districts I am afraid.
Furthermore, these school boards do not make any decisions on these matters without reviewing their plans through their board legal counsel because these types of decisions are always highly contentious amongst parents and teachers alike, so the board legal counsel many times ultimately has to diffuse any legal challenges. However, in PA, each school district has the right to set their times of attendance and the classes offered by each school.
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