How much is St. Theresa School tuition?

For 2026-27, tuition at St. Theresa School is $5,900 for grades Preschool (ages 2 years 9 months and up), 8:00 AM–1 PM; $8,950 for grades Preschool (ages 2 years 9 months and up), 8:00 AM–3 PM; $6,400 for grades K-8 (site labels this "Elementary and Middle School", 8:00 AM–3:00 PM), per the school's website.

How many students attend St. Theresa School?

St. Theresa School enrolls 153 students in grades Pre-K–8, with about 13 students per teacher (NCES Private School Survey, 2023-24).

All private schools

St. Theresa School tuition & admissions

Somerville, MAGrades Pre-K–8Day, coedReligious affiliation

Tuition 2026-27

$8,950

Highest grade band

Application deadline

—

Students

153

13 students per teacher

Admission test

—

Tuition 2026-27

Grades	Day
Preschool (ages 2 years 9 months and up), 8:00 AM–1 PM	$5,900
Preschool (ages 2 years 9 months and up), 8:00 AM–3 PM	$8,950
K-8 (site labels this "Elementary and Middle School", 8:00 AM–3:00 PM)	$6,400

How to apply

Entry grades	—
Admission test	—
Interview	—
Apply through	Ravenna
Application fee	—
Deadline	—
Decisions released	—

School facts

Students	153
Teachers (full-time equivalent)	10
Students per teacher	12.9
School days per year	180
Endowment	—
Annual revenue	—
Head of school pay	—

Reviews from families

No reviews of St. Theresa School yet. Parents, students and alumni: yours would be the first.

St. Theresa School FAQ

How much is St. Theresa School tuition?: For 2026-27, tuition at St. Theresa School is $5,900 for grades Preschool (ages 2 years 9 months and up), 8:00 AM–1 PM; $8,950 for grades Preschool (ages 2 years 9 months and up), 8:00 AM–3 PM; $6,400 for grades K-8 (site labels this "Elementary and Middle School", 8:00 AM–3:00 PM), per the school's website.
How many students attend St. Theresa School?: St. Theresa School enrolls 153 students in grades Pre-K–8, with about 13 students per teacher (NCES Private School Survey, 2023-24).

More private schools in Boston

Sources: tuition and admissions from sttheresaschoolsomerville.com (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24. “—” means we couldn't find it.