4
To keep client-side validations from blocking your actions, use an apex:actionRegion.
<apex:actionRegion renderRegionOnly="false">
<apex:commandButton styleClass="slds-button slds-button_destructive" action="{!deleteAopRecord}" rerender="AreaOfPracticeFields,theOutPutPanel" value="Delete" ...
2
In your getEduRecords() method you only query the records if you haven't yet. This means that the rerender works with the old data.
Remove the if (eduRecords == null) check and it should work fine.
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