About the School
- St. Mary School in South Boon, MA, is a Catholic co–ed private school serving grades K through 8 with an enrollment of 183 students.
- The school maintains a udent–teacher ratio of 17:1 with a teaching staff of 11 professionals in a central city setting.
- Approximately 44% of the udent body represents diverse racial and ethnic backgrounds.
- Mary School is a member of the National Catholic Educational Association (NCEA), reflecting its Catholic religious affiliation.
- The school is located near other South Boon and Dorchester area K–8 private schools, providing families multiple educational options within one mile.
School Facts
School Type
Religious Affiliation
Grades Offered
Grades Kindergarten-8
Students By Grade
Student Body
Total Students
183 students
Student Body Type
Co-ed
% Students of Color
44%
State avg.: 32%
Academic Profile
Total Classroom Teachers
11 teachers
Student-Teacher Ratio
17:1
National avg.: 11:1
Tuition & Financial Aid
Admission Deadline
None / Rolling
Frequently Asked Questions
When is the application deadline for St. Mary School?
The application deadline for St. Mary School is rolling (applications are reviewed as they are received year-round).
Nearby Private Schools
The nearest high school to St. Mary School is Cathedral High School (1.1 miles away)
The nearest elementary school and preschool is St. John Paul Lower Mills (0.5 miles away)
Show me:
Distance: 0.5 mi
Gr: PK-8 | 419 students
Catholic
2200 Columbia Rd
Dorchester Center, MA 02124
(617) 265-0019
Distance: 0.7 mi
Gr: 6-8 | 25 students
275 E Cottage Street
Dorchester, MA 02125
(617) 282-2180
Distance: 0.7 mi
Gr: NS-6 | 78 students
Avg. class size: 10 students
Extracurriculars: 6
Alternative School
371 W 4th St
South Boston, MA 02127
(617) 268-0750
Distance: 0.9 mi
Gr: K | 24 students
Daycare / Preschool (Catholic)
265 Mount Vernon St
Dorchester, MA 02125
(617) 282-0101
Distance: 1.0 mi
Gr: 7-8 | 315 students
Avg. class size: 21 students
Sports: 19
All-boys (Catholic)
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
Distance: 1.1 mi
Gr: 7-12 | 287 students
Sports: 9 | Extracurriculars: 9
Catholic
74 Union Park St
Boston, MA 02118
(617) 542-2325
Distance: 1.1 mi
Gr: 9-12 | 200 students
Avg. class size: 250 students
Catholic
100 Savin Hill Ave
Dorchester, MA 02125
(617) 825-2580
Distance: 1.4 mi
Gr: K-12 | 59 students
Special Education School
290 Bowdoin St 294
Dorchester, MA 02122
(857) 220-2333
Distance: 2.0 mi
Gr: 9-12 | 164 students
Avg. class size: 9 students
Sports: 9 | Extracurriculars: 45
151 Commonwealth Avenue
Boston, MA 02116
(617) 266-7525
Distance: 2.1 mi
Gr: 7-12 | 249 students
Avg. class size: 12 students
Sports: 8 | Extracurriculars: 16
247 Marlborough Street
Boston, MA 02116
(617) 267-4530
Distance: 0.5 mi
Gr: PK-8 | 419 students
Catholic
2200 Columbia Rd
Dorchester Center, MA 02124
(617) 265-0019
Distance: 0.7 mi
Gr: 6-8 | 25 students
275 E Cottage Street
Dorchester, MA 02125
(617) 282-2180
Distance: 0.7 mi
Gr: NS-6 | 78 students
Avg. class size: 10 students
Extracurriculars: 6
Alternative School
371 W 4th St
South Boston, MA 02127
(617) 268-0750
Distance: 1.0 mi
Gr: 7-8 | 315 students
Avg. class size: 21 students
Sports: 19
All-boys (Catholic)
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
Distance: 1.1 mi
Gr: 7-12 | 287 students
Sports: 9 | Extracurriculars: 9
Catholic
74 Union Park St
Boston, MA 02118
(617) 542-2325
Distance: 0.5 mi
Gr: PK-8 | 419 students
Catholic
2200 Columbia Rd
Dorchester Center, MA 02124
(617) 265-0019
Distance: 0.7 mi
Gr: NS-6 | 78 students
Avg. class size: 10 students
Extracurriculars: 6
Alternative School
371 W 4th St
South Boston, MA 02127
(617) 268-0750
Distance: 0.9 mi
Gr: K | 24 students
Daycare / Preschool (Catholic)
265 Mount Vernon St
Dorchester, MA 02125
(617) 282-0101
Distance: 1.1 mi
Gr: NS-2 | 131 students
Avg. class size: 16 students
1525 Washington St
Boston, MA 02118
(857) 990-6525
Distance: 1.1 mi
Gr: PK-8 | 283 students
Catholic
790 Columbia Rd
Dorchester, MA 02125
(617) 265-0019
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
Clap Elementary School
(Math: 11-19% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
35 Harvest Street
Dorchester, MA 02125
(617) 635-8672
Dorchester, MA 02125
(617) 635-8672
0.3 miles
Gr: PK-6 | 140 students Student-Teacher Ratio: 9:1 Minority enrollment: 89%
Boston Collegiate Charter School
Charter School
(Math: 45% | Reading: 41%)
Rank:
Rank:
5/
Bottom 50%10
11 Mayhew Street
Dorchester, MA 02125
(617) 265-1172
Dorchester, MA 02125
(617) 265-1172
0.4 miles
Gr: 5-12 | 708 students Student-Teacher Ratio: 10:1 Minority enrollment: 57%
Perkins Elementary School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
50 Burke Street
South Boston, MA 02127
(617) 635-8601
South Boston, MA 02127
(617) 635-8601
0.4 miles
Gr: PK-6 | 167 students Student-Teacher Ratio: 9:1 Minority enrollment: 91%
Russell Elementary School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
750 Columbia Road
Dorchester, MA 02125
(617) 635-8803
Dorchester, MA 02125
(617) 635-8803
0.5 miles
Gr: PK-5 | 356 students Student-Teacher Ratio: 12:1 Minority enrollment: 94%
Community Academy
(Math: <50%)
(Math: <50% | Reading: <50% )
Rank:
(Math: <50% | Reading: <50% )
Rank:
5/
Bottom 50%10
25 Glen Road
Jamaica Plain, MA 02130
(617) 635-8950
Jamaica Plain, MA 02130
(617) 635-8950
0.7 miles
Gr: 9-12 | 58 students Student-Teacher Ratio: 5:1 Minority enrollment: 98%
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