Those employees including bus drivers, clerical support staff, cafeteria workers, some administrators and some student support employees.State Comptroller Thomas DiNapoli has announced the average ERS contribution rate for employers for 2013-14 will rise from 18.9 percent to 20.9 percent.??This would raise our ERS contribution from $484,433 to approximately $550,000, or $65,567,?? Mr. Brady noted.