| Business | Phone |
| Washington School 645 Alger Ave, Owosso 48867 | (989) 725-5821 |
| Bentley Elementary School 1375 W North St, Owosso 48867 | (989) 725-5770 |
| Bryant School 925 Hampton St, Owosso 48867 | (989) 723-4355 |
| Central School 600 W Oliver St, Owosso 48867 | (989) 723-2790 |
| Spring Vale Academy 4150 S M 52, Owosso 48867 | (989) 725-2391 |
| St Paul's Catholic School 718 W Main St, Owosso 48867 | (989) 725-7766 |
| Seventh-Day Adventist School 1215 Summit St, Owosso 48867 | (989) 723-6562 |
| Shiawassee Developmental Ctr 2261 S M 52, Owosso 48867 | (989) 723-6784 |
| Roosevelt School 201 N Brooks St, Owosso 48867 | (989) 723-3918 |
| Emerson School 515 E Oliver St, Owosso 48867 | (989) 725-7361 |
| Owosso High School 765 E North St, Owosso 48867 | (989) 723-8231 |
| Owosso Middle School 219 N Water St, Owosso 48867 | (989) 723-3460 |
| Owosso Public School Bus Mntnc 208 Cass St, Owosso 48867 | (989) 723-7019 |
| Owosso Public School District 1405 W North St, Owosso 48867 | (989) 723-8131 |
| Lincoln School 120 Michigan Ave, Owosso 48867 | (989) 725-6414 |