Total enrollment
5,377
-872 (-14%) vs SY 2017-18
Sanilac County
Michigan · Public K-12
Of the public K-12 schools operating across Michigan, 20 sit inside Sanilac County, collectively enrolling roughly 5,377 students (8 elementary, 1 middle, and 10 high).
7-year change in Sanilac County
SY 2017-18 vs SY 2024-25School count
19
-1 (-5%) vs SY 2017-18
% White
90%
was 92%
% Hispanic
6%
was 5%
% Black
0%
was 1%
% Asian
1%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
20
8 districts
Enrollment
5,377
NCES CCD
Median income
$58,863
Below Michigan avg
Free/reduced lunch
57.1%
Above Michigan avg
Elementary
8
2,387 students
Middle
1
508 students
High
10
2,427 students
Combined / other
1
55 students
LARGEST DISTRICT
Croswell-Lexington Community Schools
1,708 students · 8 districts in Sanilac County
County vs. school enrollment demographics
Left bar is the racial makeup of Sanilac County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
16.5%
adults 25+
Poverty rate
10.8%
ACS 5-year
Unemployment
6.0%
civilian labor
Median age
46
20.9% under 18
Test scores in Sanilac County
Latest 2024-25 ELA proficiency, 9 schools ranked. Michigan state average: 47.7%.
Top 5 schools (ELA)
- Frostick School· 65.7%
- Meyer Elementary School· 56.2%
- Deckerville Elementary School· 52.1%
- Sandusky Elementary School· 50.2%
- Peck Community Elem School· 47.6%
Lowest 5 schools (ELA)
- Sandusky JuniorSenior High School· 27.6%
- Marlette Elementary· 40.0%
- CroswellLexington Middle School· 40.9%
- Brown City Elementary School· 41.5%
- Peck Community Elem School· 47.6%
Cities in Sanilac County
About Sanilac County
In Michigan, Sanilac County is a rural-scale county of about 40,462 residents. 20 public schools across the county serves about 5,377 students between them.
Looking at the broader picture, census numbers show the median household earns about $58,863 a year, about 17% of adults have a bachelor's degree or above, and the poverty rate is around 11%. That income level is 11% meaningfully below the Michigan median.
For a sense of the school types, Sanilac County is built around 8 elementary schools (2,387 students), 1 middle school (508), 10 high schools (2,427), and 1 combined or other schools.
Croswell-Lexington Community Schools is the biggest district by enrollment, covering about 1,708 students across Sanilac County.
Over the past 7-year window. Across the same 7-year window, public-school enrollment fell 14%: 6,249 students in SY 2017-18 versus 5,377 in SY 2024-25. Over that span, Sanilac County closed 1 school, going from 20 to 19.
On this page, the community for Sanilac County discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.
Frequently asked questions
Sanilac County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data