If a student has multiple households due to a mistake in data entry, or from a data import. The data needs to be remove from

• Go to Student Overview > Summary > click Switch to Household View 



• Click on the Household link as highlighted    
  

• Click Actions > Remove from Household each contact listed or Clean Up Contact. Both do something different. 
  
• Select Delete
  

If there are multiple students linked to this household, you need to unlink them all from using above