Private Schools

Private Schools in Boston, Massachusetts

14 private schools in Boston, Massachusetts with at least 30 students answered the 2023-24 federal survey. Together they enroll 3,404 students: 2 Catholic, 2 other religious and 10 nonsectarian. 9 schools go through high school grades.

Schools listed

Go through high school

Median enrollment

236

Median students per teacher

6.1

Private schools in Boston, Massachusetts

Largest first. Students per teacher is the school’s own report.

School	Grades	Students	Per teacher	Affiliation
British International School of Boston	PK–12	481	9.1	Nonsectarian
The Winsor SchoolGirls	5–12	475	6.1	Nonsectarian
Cathedral High School	7–12	326	9.1	Catholic
German International School BostonSpecial program	PK–12	256	4.2	Nonsectarian
The Newman School	7–12	251	5	Nonsectarian
The Newman School	7–12	244	5.4	Nonsectarian
Boston Trinity Academy	6–12	238	6.7	Christian
Boston University Academy	9–12	233	6.7	Nonsectarian
Kingsley Montessori SchoolMontessori	PK–6	184	4.6	Nonsectarian
Park Street School	PK–6	162	7.5	Christian
The Advent School	PK–6	161	6	Nonsectarian
Commonwealth School	9–12	154	3.9	Nonsectarian
St John School	PK–8	121	6.8	Catholic
Learning Project Elementary School	K–6	118	3.7	Nonsectarian

Getting in, and keeping up

Private school entrance exams: format, scoring, and dates for the ISEE, SSAT, and HSPT.
MCAS practice tests and score levels, the test public schools in Massachusetts give.
Using a 529 plan for K-12 tuition and tutoring in Massachusetts.
Colleges in Massachusetts, for families already looking ahead.

Email me the Boston private school list

A link to this list, plus our guide to the entrance exams these schools use.

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Frequently asked questions

How many private schools are in Boston, Massachusetts?

14 private schools in Boston, Massachusetts with at least 30 students answered the 2023-24 federal Private School Universe Survey. Schools that did not answer are not counted, so the real number is higher.

What is the largest private school in Boston, Massachusetts?

Among schools that answered the survey, British International School of Boston in Boston is the largest, with 481 students in grades PK–12.

How big are classes at private schools in Boston, Massachusetts?

The survey reports students per teacher, not class size. The median private school in Boston, Massachusetts has 6.1 students per teacher and 236 students in total.

Do private schools require an entrance exam?

Many independent schools ask for the ISEE or SSAT, and many Catholic high schools use the HSPT. Each school sets its own rule, so check the admissions page of every school on your list.

Source: NCES Private School Universe Survey (PSS), 2023-24 public-use data file, National Center for Education Statistics. Schools that answered the survey and enrolled at least 30 students. Amish schools are left out. Schools report their own figures, and a school that did not answer the survey does not appear.