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Croswell-Lexington High School had the largest enrollment among Sanilac County schools, welcoming 523 students during the 2024-25 school year, according to the Michigan Department of Education.

Of all the students welcomed in the 2024-25 school year, 51.4% of them were boys, and 48.6% were girls.

Data also showed that most of the students were white, representing 89.3% of the Croswell-Lexington High School total enrollment.

Among the 19 schools in Sanilac County, Croswell-Lexington Middle School ranked second in enrollment numbers with 508 students, while Sandusky Elementary School welcomed 471 students and ranked third in the 2024-25 school year.

Croswell-Lexington High School is part of Croswell-Lexington Community Schools, which roughly covers schools within Sanilac County, with its main office in Croswell.

In the previous school year, Croswell-Lexington High School also had the largest number of students among Sanilac County schools.

In the 2024-25 school year, 1,427,386 students enrolled in Michigan schools, a figure 4.8% below the pre-pandemic total of 1,499,552 in 2019-20, with white students seeing the largest decline of approximately 3%.

Academic performance in Michigan remains below pre-pandemic levels. According to the 2024 NAEP results, the share of students reaching the basic benchmark in core subjects is about 10 percentage points lower than in 2019—except for fourth-grade math, which saw a decline of just 2 points.

Achievement gaps between ethnic groups also persist. On average, Hispanic students scored 15 points below white students. The gap was even wider for Black students, who scored about 30 points lower than their white peers.

The 2025 education budget, approved by Gov. Whitmer last July, totals $23.4 billion—$900 million less than the previous year’s budget. K-12 schools are working with $20.6 billion, a reduction from the $21.5 billion allocated in 2024.

However, some school superintendents and educators were concerned about the new budget. "Schools cannot function properly without adequate funding for safety and mental health," stated Rep. David Martin, R-Davison, referring to a significant cut of around $301 million from school safety and mental health programs. Based on the current bill, the program will receive just $26.5 million.

School name	City	Total School Enrollment
Croswell-Lexington High School	Croswell	523
Croswell-Lexington Middle School	Croswell	508
Sandusky Elementary School	Sandusky	471
Sandusky Junior-Senior High School	Sandusky	460
Marlette Junior/Senior High School	Marlette	371
Brown City Elementary School	Brown City	362
Brown City High School	Brown City	334
Marlette Elementary School	Marlette	328
Frostick School	Croswell	324
Deckerville Elementary School	Deckerville	288
Meyer Elementary School	Lexington	275
Deckerville Community High School	Deckerville	219
Peck Junior-Senior High School	Peck	202
Carsonville-Port Sanilac High School	Carsonville	187
Peck Community Elementary School	Peck	174
Carsonville-Port Sanilac Elementary School	Carsonville	165
Pioneer High School	Croswell	78
Sanilac ISD Special Education Services	Sandusky	63
Carsonville-Port Sanilac Learning Center	Carsonville	53