text: Declining enrollments mean tax savings for taxpayers if the buildings are no longer in use, or the number of teachers is down. 
  
  Some cities close their lower enrollment schools-some sell them. And some convert them to charter schools.
  
  A few titles under Google:
  *Closing Schools to Improve Student Achievement: What the Research and Researchers Say
  *Declining Enrollment Dictates Closings | Twin Cities Daily Planet
  *Closing Public Schools in Philadelphia 
  *In rural school districts, declining enrollments — and hard choices ..
  *Declining Enrollment, Part 3: What Happens When A Town Closes Its Schools
  
  Post note: That, interestingly enough, is one the highest costly reasons taxpayers want illegal immigration dealt with, the Per Pupil costs.