Grades 5-12 374 students 5.1 students per teacher Roman Catholic All-girls 100% to 4-year college
All-girls schools in Watertown, MA
4 in Watertown or within 6 miles. Schools that told the 2023-24 federal survey they enroll girls only.
Affiliation, co-ed or single-sex, association membership and the share of graduates going on to a 4-year college come from the 2023-24 federal Private School Universe survey.
Grades 9-12 49 students 5.4 students per teacher Jewish All-girls 0% to 4-year college
The Winsor School
4 mi Grades 5-12 475 students 6.1 students per teacher Nonsectarian All-girls 97% to 4-year college
Grades 8-12 27 students 5.4 students per teacher Nonsectarian Special education All-girls 25% to 4-year college
Private schools
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- All-girls schools across Massachusetts
Get one email when applications open
Most programs open once a year, and several ran out of money or seats in 2026. Pick your state (you are looking at Watertown) and we will email you the day the next window opens, with the official link. That is the only email you get.
One email per application window. No calls, no sharing your details.