#1 Largest Private Schools in Greater Bridgeport County, CT
Fairfield College Preparatory
Independent Catholic school · Grades 9–12
787 students
Fairfield, CT
BOverall gradeAll boys787 students17 students per teacher
2026 lists
Largest Private Schools in Greater Bridgeport County, CT
The private schools in Greater Bridgeport County, CT with the most students. Top 23 of 23 schools.
#2 Largest Private Schools in Greater Bridgeport County, CT
St. Joseph High School
Diocesan school · Grades 9–12
741 students
Trumbull, CT
B+Overall grade741 students14 students per teacher
#3 Largest Private Schools in Greater Bridgeport County, CT
Notre Dame Catholic High School
Diocesan school · Grades 9–12
500 students
Fairfield, CT
A-Overall grade500 students17 students per teacher
#4 Largest Private Schools in Greater Bridgeport County, CT
Christian Heritage School
Christian school (nondenominational) · Grades K–12
407 students
Trumbull, CT
AOverall grade407 students12 students per teacher
#5 Largest Private Schools in Greater Bridgeport County, CT
Kolbe Cathedral High School
Diocesan school · Grades 9–12
329 students
Bridgeport, CT
BOverall grade329 students14 students per teacher
#6 Largest Private Schools in Greater Bridgeport County, CT
St. Thomas Aquinas Catholic School
Diocesan school · Grades Pre-K–8
293 students
Fairfield, CT
A+Overall grade293 students7 students per teacher
#7 Largest Private Schools in Greater Bridgeport County, CT
St. Andrew Academy
Diocesan school · Grades Pre-K–8
225 students
Bridgeport, CT
B+Overall grade225 students17 students per teacher
#8 Largest Private Schools in Greater Bridgeport County, CT
St. James School
Parish school · Grades Pre-K–8
212 students
Stratford, CT
A+Overall grade212 students12 students per teacher
#9 Largest Private Schools in Greater Bridgeport County, CT
Fairfield Country Day School
Independent school · Grades K–9
198 students
Fairfield, CT
A+Overall gradeAll boys198 students5 students per teacher
#10 Largest Private Schools in Greater Bridgeport County, CT
St. Catherine of Siena School
Diocesan school · Grades Pre-K–8
195 students
Trumbull, CT
BOverall grade195 students15 students per teacher
#11 Largest Private Schools in Greater Bridgeport County, CT
St. Augustine Academy
Independent Catholic school · Grades 4–8
189 students
Bridgeport, CT
A-Overall grade189 students14 students per teacher
#12 Largest Private Schools in Greater Bridgeport County, CT
Catholic Academy of Bridgeport/St Raphael Academy
Diocesan school · Grades Pre-K–3
179 students
Bridgeport, CT
BOverall grade179 students20 students per teacher
#13 Largest Private Schools in Greater Bridgeport County, CT
St. Ann Academy
Diocesan school · Grades K–8
179 students
Bridgeport, CT
B+Overall grade179 students22 students per teacher
#14 Largest Private Schools in Greater Bridgeport County, CT
St. Theresa School
Diocesan school · Grades Pre-K–8
177 students
Trumbull, CT
A+Overall grade177 students13 students per teacher
#15 Largest Private Schools in Greater Bridgeport County, CT
Easton Country Day School
Independent school · Grades Pre-K–12
159 students
Easton, CT
A+Overall grade159 students5 students per teacher
#16 Largest Private Schools in Greater Bridgeport County, CT
Assumption Catholic School
Diocesan school · Grades Pre-K–8
142 students
Fairfield, CT
A+Overall grade142 students12 students per teacher
#17 Largest Private Schools in Greater Bridgeport County, CT
The Unquowa School
Independent school · Grades Pre-K–8
142 students
Fairfield, CT
BOverall grade142 students5 students per teacher
#18 Largest Private Schools in Greater Bridgeport County, CT
The Southport School
Special education school · Grades 2–8
123 students
Southport, CT
AOverall grade123 students4 students per teacher
#19 Largest Private Schools in Greater Bridgeport County, CT
Bridgeport Hope School
Christian school (nondenominational) · Grades K–8
39 students
Bridgeport, CT
A-Overall grade39 students5 students per teacher
#20 Largest Private Schools in Greater Bridgeport County, CT
The University School
Special education school · Grades 8–12
36 students
Bridgeport, CT
B+Overall grade36 students5 students per teacher
#21 Largest Private Schools in Greater Bridgeport County, CT
Fusion Academy FF: Fairfield
Alternative school · Grades 8–12
32 students
Fairfield, CT
A-Overall grade32 students2 students per teacher
#22 Largest Private Schools in Greater Bridgeport County, CT
Fairfield County SDA School
Seventh-day Adventist school · Grades K–8
27 students
Bridgeport, CT
B+Overall grade27 students8 students per teacher
#23 Largest Private Schools in Greater Bridgeport County, CT
Covenant School of Bridgeport
Independent school · Grades 5–6
21 students
Bridgeport, CT
AOverall gradeAll boys21 students3 students per teacher
From official public records, updated October 2026.