#1 Best Private Schools in St. Clair County, MI
St. Mary/Mccormick Catholic Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 67% of Catholic schools in Michigan
Port Huron, MI
AOverall grade64 students11 students per teacher
2026 lists
Best Private Schools in St. Clair County, MI
Private schools in St. Clair County, MI with the highest overall grades. Top 5 of 5 schools.
#2 Best Private Schools in St. Clair County, MI
St. Edward On-The-Lake Catholic School
Diocesan school · Grades Pre-K–5
Smaller classes than 68% of Catholic schools in Michigan
Lakeport, MI
A-Overall grade74 students11 students per teacher
#3 Best Private Schools in St. Clair County, MI
New Life Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Serving families in Kimball since at least 2011
Kimball, MI
B+Overall grade186 students9 students per teacher
#4 Best Private Schools in St. Clair County, MI
Cardinal Mooney Catholic
Diocesan school · Grades 9–12
Smaller classes than 75% of Catholic schools in Michigan
Marine City, MI
B+Overall grade168 students11 students per teacher
#5 Best Private Schools in St. Clair County, MI
Immaculate Conception School
Independent Catholic school · Grades Pre-K–8
Serving families in Ira since at least 2011
Ira, MI
B-Overall grade148 students16 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.