#1 Best Private Schools in Cumberland County, ME
Holy Cross School
Diocesan school · Grades Pre-K–8
The only Catholic school in South Portland
South Portland, ME
2026 lists
Private schools in Cumberland County, ME with the highest overall grades. Top 11 of 11 schools.
#1 Best Private Schools in Cumberland County, ME
Diocesan school · Grades Pre-K–8
The only Catholic school in South Portland
South Portland, ME
#2 Best Private Schools in Cumberland County, ME
Independent Catholic school · Grades 9–12
95% of graduates go to four-year colleges
Portland, ME
#3 Best Private Schools in Cumberland County, ME
Quaker (Friends) school · Grades Pre-K–8
Smaller classes than 85% of Christian schools nationwide
Cumberland Foreside, ME
#4 Best Private Schools in Cumberland County, ME
Seventh-day Adventist school · Grades Pre-K–12
One of the most diverse private schools in Maine
Freeport, ME
#5 Best Private Schools in Cumberland County, ME
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Maine
Portland, ME
#6 Best Private Schools in Cumberland County, ME
Independent school · Grades Pre-K–8
Smaller classes than 66% of independent schools nationwide
Portland, ME
#7 Best Private Schools in Cumberland County, ME
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in South Portland
South Portland, ME
#8 Best Private Schools in Cumberland County, ME
Diocesan school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools nationwide
Brunswick, ME
#9 Best Private Schools in Cumberland County, ME
Independent school · Grades Pre-K–12
Smaller classes than 66% of independent schools nationwide
Freeport, ME
#10 Best Private Schools in Cumberland County, ME
Parish school · Grades Pre-K–8
One of the most diverse private schools in Maine
Portland, ME
#11 Best Private Schools in Cumberland County, ME
Independent school · Grades Pre-K–12
90% of graduates go to four-year colleges
Yarmouth, ME
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.