#1 Best Private Elementary Schools in Suffolk County, MA
German International School Boston
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade256 students4 students per teacher
2026 lists
Best Private Elementary Schools in Suffolk County, MA
Private schools in Suffolk County, MA with elementary grades and the highest overall grades. Top 21 of 21 schools.
#2 Best Private Elementary Schools in Suffolk County, MA
Learning Project Elementary School
Independent school · Grades K–6
The smallest classes of any independent school in Boston
Boston, MA
A+Overall grade118 students4 students per teacher
#3 Best Private Elementary Schools in Suffolk County, MA
St. John School
Diocesan school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in Massachusetts
Boston, MA
A+Overall grade121 students7 students per teacher
#4 Best Private Elementary Schools in Suffolk County, MA
St. John Paul II Catholic Academy Columbia Camp
Diocesan school · Grades Pre-K–8
Serving families in Dorchester since at least 2011
Dorchester, MA
A+Overall grade214 students11 students per teacher
#5 Best Private Elementary Schools in Suffolk County, MA
Park Street School
Christian school (nondenominational) · Grades Pre-K–6
Smaller classes than 61% of Christian schools in Massachusetts
Boston, MA
A+Overall grade162 students8 students per teacher
#6 Best Private Elementary Schools in Suffolk County, MA
St. Columbkille Partnership School
Independent Catholic school · Grades Pre-K–8
The only Catholic school in Brighton
Brighton, MA
A+Overall grade307 students12 students per teacher
#7 Best Private Elementary Schools in Suffolk County, MA
The Advent School
Independent school · Grades Pre-K–6
Small classes: about 6 students per teacher
Boston, MA
AOverall grade161 students6 students per teacher
#8 Best Private Elementary Schools in Suffolk County, MA
Immaculate Conception
Parish school · Grades Pre-K–8
Growing: enrollment up 32% since 2011–12
Revere, MA
AOverall grade272 students12 students per teacher
#9 Best Private Elementary Schools in Suffolk County, MA
Mother Caroline Academy & Education Center
Independent Catholic school · Grades 3–8
The only all-girls school in Dorchester
Dorchester, MA
AOverall gradeAll girls69 students8 students per teacher
#10 Best Private Elementary Schools in Suffolk County, MA
Kingsley Montessori School
Montessori school · Grades Pre-K–6
The largest of 31 Montessori schools in Massachusetts
Boston, MA
AOverall grade184 students5 students per teacher
#11 Best Private Elementary Schools in Suffolk County, MA
British International School of Boston
Independent school · Grades Pre-K–12
The largest independent school in Boston
Boston, MA
B+Overall grade481 students9 students per teacher
#12 Best Private Elementary Schools in Suffolk County, MA
East Boston Central Catholic School
Parish school · Grades Pre-K–8
Serving families in East Boston since at least 2011
East Boston, MA
B+Overall grade161 students15 students per teacher
#13 Best Private Elementary Schools in Suffolk County, MA
St. Theresa School
Diocesan school · Grades Pre-K–6
Serving families in West Roxbury since at least 2011
West Roxbury, MA
B+Overall grade244 students14 students per teacher
#14 Best Private Elementary Schools in Suffolk County, MA
St. Brendan School
Parish school · Grades Pre-K–6
Serving families in Dorchester since at least 2011
Dorchester, MA
B+Overall grade152 students12 students per teacher
#15 Best Private Elementary Schools in Suffolk County, MA
Holy Name Parish School
Parish school · Grades Pre-K–6
Serving families in West Roxbury since at least 2011
West Roxbury, MA
BOverall grade257 students14 students per teacher
#16 Best Private Elementary Schools in Suffolk County, MA
Sacred Heart Elementary
Parish school · Grades Pre-K–8
A Catholic school in Roslindale
Roslindale, MA
BOverall grade143 students13 students per teacher
#17 Best Private Elementary Schools in Suffolk County, MA
St. John Paul II Academy, Neponset
Diocesan school · Grades Pre-K–8
One of 7 Catholic schools in Dorchester
Dorchester, MA
BOverall grade292 students13 students per teacher
#18 Best Private Elementary Schools in Suffolk County, MA
Berea SDA Academy
Seventh-day Adventist school · Grades Pre-K–12
Serving families in Mattapan since at least 2011
Mattapan, MA
BOverall grade94 students13 students per teacher
#19 Best Private Elementary Schools in Suffolk County, MA
St. John Paul Lower Mills
Diocesan school · Grades Pre-K–8
One of 7 Catholic schools in Dorchester
Dorchester, MA
B-Overall grade340 students14 students per teacher
#20 Best Private Elementary Schools in Suffolk County, MA
Croft School
Independent school · Grades Pre-K–5
The largest independent school in Jamaica Plain
Jamaica Plain, MA
B-Overall grade320 students9 students per teacher
#21 Best Private Elementary Schools in Suffolk County, MA
St. John Paul II Catholic Academy
Diocesan school · Grades Pre-K–8
Growing: enrollment up 18% since 2013–14
Dorchester Center, MA
B-Overall grade277 students17 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.