| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Ubly Community Schools | Minden City | 9/10 Excellent · 84th pct | 623 | 2 | PK–12 | 1 |
| Cass City Public Schools | Decker | 8/10 Good · 79th pct | 938 | 3 | PK–12 | 1 |
| Sandusky Community School District | Sandusky | 8/10 Good · 74th pct | 979 | 2 | PK–12 | 2 |
| Croswell-Lexington Community School District | Croswell | 8/10 Good · 71st pct | 1,868 | 5 | PK–12 | 2 |
| Marlette Community Schools | Marlette | 7/10 Good · 67th pct | 716 | 2 | PK–12 | 1 |
| Brown City Community School District | Brown City | 6/10 Average · 56th pct | 717 | 2 | PK–12 | 1 |
| Deckerville Community School District | Argyle | 6/10 Average · 51st pct | 545 | 2 | PK–12 | 3 |
| Carsonville-Port Sanilac School District | Applegate | 4/10 Below Average · 32nd pct | 408 | 3 | PK–12 | 3 |
| Harbor Beach Community Schools | Forestville | 4/10 Below Average · 32nd pct | 491 | 3 | K–12 | 1 |
| Peck Community School District | Melvin | 3/10 Below Average · 27th pct | 375 | 2 | PK–12 | 2 |
How Sanilac County compares
Together they enroll 7,660 students across 26 schools. The largest is Croswell-Lexington Community School District with 1,868 students. Districts here average 6.3/10, above the Michigan average of 5.5/10. Ratings range from 3/10 to 9/10.
School Districts in Sanilac County, Michigan
Sanilac County has 10 public school districts covering 17 zip codes. The top-rated district in Sanilac County is Ubly Community Schools (9/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Michigan. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Sanilac County, MI?
10 school districts serve zip codes in Sanilac County, MI. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Sanilac County, MI?
Of the districts serving Sanilac County, Ubly Community Schools has the highest rating on this site at 9/10. That places it in the 84th percentile among Michigan school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Michigan reading and math assessments, ranked against other districts in Michigan and converted to a 1–10 scale. Percentiles compare districts within Michigan only, never across state lines.