Deadline to switch to STAR by municipality: Oswego County
| Municipal name | School district name | Tax base growth factor |
| City of Fulton | Fulton | Two weeks prior to July 1 |
| City of Oswego | Oswego | Two weeks prior to July 1 |
| Town of Albion | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Albion | Pulaski | Two weeks prior to July 1 |
| Town of Amboy | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Amboy | Central Square | Two weeks prior to July 1 |
| Town of Boylston | Sandy Creek | Two weeks prior to July 1 |
| Town of Boylston | South Jefferson | Two weeks prior to July 1 |
| Town of Constantia | Camden | Two weeks prior to July 1 |
| Town of Constantia | Central Square | Two weeks prior to July 1 |
| Town of Granby | Cato-Meridian | Two weeks prior to July 1 |
| Town of Granby | Fulton | Two weeks prior to July 1 |
| Town of Granby | Hannibal | Two weeks prior to July 1 |
| Town of Granby | Phoenix | Two weeks prior to July 1 |
| Town of Hannibal | Cato-Meridian | Two weeks prior to July 1 |
| Town of Hannibal | Hannibal | Two weeks prior to July 1 |
| Town of Hastings | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Hastings | Central Square | Two weeks prior to July 1 |
| Town of Hastings | Mexico | Two weeks prior to July 1 |
| Town of Hastings | Phoenix | Two weeks prior to July 1 |
| Town of Mexico | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Mexico | Central Square | Two weeks prior to July 1 |
| Town of Mexico | Mexico | Two weeks prior to July 1 |
| Town of Minetto | Fulton | Two weeks prior to July 1 |
| Town of Minetto | Oswego | Two weeks prior to July 1 |
| Town of New Haven | Mexico | Two weeks prior to July 1 |
| Town of Orwell | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Orwell | Sandy Creek | Two weeks prior to July 1 |
| Town of Oswego | Fulton | Two weeks prior to July 1 |
| Town of Oswego | Hannibal | Two weeks prior to July 1 |
| Town of Oswego | Oswego | Two weeks prior to July 1 |
| Town of Palermo | Central Square | Two weeks prior to July 1 |
| Town of Palermo | Fulton | Two weeks prior to July 1 |
| Town of Palermo | Mexico | Two weeks prior to July 1 |
| Town of Palermo | Phoenix | Two weeks prior to July 1 |
| Town of Parish | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Parish | Central Square | Two weeks prior to July 1 |
| Town of Parish | Mexico | Two weeks prior to July 1 |
| Town of Redfield | Sandy Creek | Two weeks prior to July 1 |
| Town of Richland | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Richland | Mexico | Two weeks prior to July 1 |
| Town of Richland | Pulaski | Two weeks prior to July 1 |
| Town of Richland | Sandy Creek | Two weeks prior to July 1 |
| Town of Sandy Creek | Pulaski | Two weeks prior to July 1 |
| Town of Sandy Creek | Sandy Creek | Two weeks prior to July 1 |
| Town of Schroeppel | Central Square | Two weeks prior to July 1 |
| Town of Schroeppel | Phoenix | Two weeks prior to July 1 |
| Town of Scriba | Fulton | Two weeks prior to July 1 |
| Town of Scriba | Mexico | Two weeks prior to July 1 |
| Town of Scriba | Oswego | Two weeks prior to July 1 |
| Town of Volney | Fulton | Two weeks prior to July 1 |
| Town of Volney | Mexico | Two weeks prior to July 1 |
| Town of Volney | Oswego | Two weeks prior to July 1 |
| Town of Volney | Phoenix | Two weeks prior to July 1 |
| Town of West Monroe | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of West Monroe | Central Square | Two weeks prior to July 1 |
| Town of Williamstown | Altmar Parish-Williamstown | Two weeks prior to July 1 |
| Town of Williamstown | Sandy Creek | Two weeks prior to July 1 |
Updated: