Matilda (the Musical) Fan Story

(This is a short continuation story of Matilda, following the book and musical.)
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After the death of the mayor of the town, which some claim was murder, Matilda has to move back to Crunchem Hall. The new mayor seems to have other opinions about a short eleven year old in a secondary school.
But that isn't the only rule of the new, unknown mayor. They believe that children should be thought discipline instead of history or science.
If that wasn't weird enough, there have been several reports of missing people around the town.
Matilda and her friends have done enough waiting. They decide to put a stop to all these unfortunate events.