| St. Charles Borromeo Catholic School | Coldwater | Private school | PK–8 | 0 |
| St Charles Community MiddleHigh School | SAINT CHARLES | Public school | 7–12 | 0 |
| St Charles Elementary School | SAINT CHARLES | Public school | PK–6 | 0 |
| St. Charles Elementary School | Greenville | Private school | PK–8 | 0 |
| St Charles Virtual School | SAINT CHARLES | Public school | 1–12 | 0 |
| St Clair County Intervention Academy | PORT HURON | Public school | 6–12 | 0 |
| St Clair High School | SAINT CLAIR | Public school | 9–12 | 0 |
| St Clair Middle School | SAINT CLAIR | Public school | 6–8 | 0 |
| St. Clare Of Montefalco School | Grosse Pointe Park | Private school | PK–8 | 0 |
| St. Edith Catholic School | Livonia | Private school | PK–8 | 0 |
| St. Edward On-the-lake Catholic School | Lakeport | Private school | PK–5 | 0 |
| St. Elizabeth Ann Seton Middle School | Traverse City | Private school | 6–8 | 0 |
| St. Elizabeth Area Catholic School | Reese | Private school | PK–8 | 0 |
| St. Fabian Catholic School | Farmington Hills | Private school | PK–8 | 0 |
| St. Francis De Sales School | Manistique | Private school | PK–8 | 0 |
| St. Francis Of Assisi School | Ann Arbor | Private school | PK–8 | 0 |
| St. Francis Xavier School | Petoskey | Private school | PK–8 | 0 |
| St. Hugo Of The Hills Elementary School | Bloomfield Hills | Private school | PK–8 | 0 |
| St Ignace ElementaryMiddle School | SAINT IGNACE | Public school | PK–8 | 0 |
| St Ignace Juvenile Detention Facility | SAINT IGNACE | Public school | 4–12 | 0 |
| St. Ignatius Catholic School | Rogers City | Private school | PK–8 | 0 |
| St. Isaac Jogues Elementary School | Saint Clair Shores | Private school | PK–8 | 0 |
| St. Joan Of Arc Elementary School | Saint Clair Shores | Private school | PK–8 | 0 |
| St. John Lutheran School | Fraser | Private school | K–8 | 0 |
| St. John Lutheran School | Rogers City | Private school | PK–8 | 0 |
| St. John Paul II Catholic Academy | Menominee | Private school | PK–8 | 0 |
| St. John The Evangelist Elementary School | Jackson | Private school | PK–6 | 0 |
| St. John Vianney Catholic School | Flint | Private school | PK–8 | 0 |
| St. John Vianney Elementary School | Wyoming | Private school | PK–8 | 0 |
| St. John's Ev. Lutheran School | Pigeon | Private school | K–7 | 0 |
| St. John's Evangelical Lutheran School | Westland | Private school | PK–8 | 0 |
| St Johns High School | SAINT JOHNS | Public school | 9–12 | 0 |
| St. John's Lutheran School | Midland | Private school | K–8 | 0 |
| St. Johns Lutheran School | Bay City | Private school | K–8 | 0 |
| St. John's Lutheran School | New Boston | Private school | PK–8 | 0 |
| St. Johns Lutheran School | Grand Haven | Private school | PK–8 | 0 |
| St. Johns Lutheran School | Saginaw | Private school | K–8 | 0 |
| St Johns Middle School | SAINT JOHNS | Public school | 6–8 | 0 |
| St. Joseph Catholic School | Howell | Private school | PK–8 | 0 |
| St. Joseph Catholic School | Erie | Private school | PK–8 | 0 |
| St. Joseph Catholic School | Saint Johns | Private school | K–6 | 0 |
| St. Joseph Elementary School | Trenton | Private school | PK–8 | 0 |
| St. Joseph Elementary School | West Branch | Private school | PK–8 | 0 |
| St. Joseph Elementary School | Pewamo | Private school | K–8 | 0 |
| St Joseph High School | SAINT JOSEPH | Public school | 9–12 | 0 |
| St. Joseph Middle School | Battle Creek | Private school | 6–8 | 0 |
| St. Joseph School | Lake Orion | Private school | PK–8 | 0 |
| St. Joseph The Worker School | Mount Pleasant | Private school | K–6 | 0 |
| St. Joseph's Academy | Ray Twp | Private school | K–8 | 0 |
| St. Linus Catholic School | Dearborn Heights | Private school | PK–8 | 0 |