That can be solved without WordPress per .htaccess (or whatever config file your webserver is using).
Example for .htaccess:
RedirectMatch Permanent /School-(.*)-Cost /School-$1/Cost
That can be solved without WordPress per .htaccess (or whatever config file your webserver is using).
Example for .htaccess:
RedirectMatch Permanent /School-(.*)-Cost /School-$1/Cost