St. Gregory the Great School
Parish school · Grades Pre-K–8
Serving families in Danbury since at least 2011
Danbury, CT
BOverall grade244 students18 students per teacher
Catholic schools in Connecticut
Parish, diocesan and independent Catholic schools. 72 schools listed.
Largest Catholic schools
Academy of Our Lady of Mercy, Lauralton Hall
Independent Catholic school · Grades 9–12
The only all-girls school in Milford
Milford, CT
A+Overall gradeAll girls238 students9 students per teacher
St. Rose of Lima School
Diocesan school · Grades Pre-K–8
A Catholic school in Newtown
Newtown, CT
B-Overall grade227 students19 students per teacher
St. Andrew Academy
Diocesan school · Grades Pre-K–8
Serving families in Bridgeport since at least 2011
Bridgeport, CT
B+Overall grade225 students17 students per teacher
St. James School
Parish school · Grades Pre-K–8
Smaller classes than 64% of Catholic schools in Connecticut
Stratford, CT
A+Overall grade212 students12 students per teacher
Mater Salvatoris College Preparatory School
Independent Catholic school · Grades Pre-K–8
Smaller classes than 96% of Catholic schools in Connecticut
Stamford, CT
A+Overall grade200 students6 students per teacher
St. John Paul II School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 33% since 2015–16
Middletown, CT
AOverall grade199 students12 students per teacher
St. Mary's School
Parish school · Grades Pre-K–8
The only Catholic school in Simsbury
Simsbury, CT
A-Overall grade197 students13 students per teacher
St. James School
Parish school · Grades Pre-K–8
Serving families in Danielson since at least 2011
Danielson, CT
B-Overall grade196 students19 students per teacher
St. Catherine of Siena School
Diocesan school · Grades Pre-K–8
Serving families in Trumbull since at least 2011
Trumbull, CT
BOverall grade195 students15 students per teacher
St. Mary School
Diocesan school · Grades Pre-K–8
Smaller classes than 86% of Catholic schools in Connecticut
Ridgefield, CT
A+Overall grade194 students8 students per teacher
St. Augustine Academy
Independent Catholic school · Grades 4–8
The smallest classes of any Catholic school in Bridgeport
Bridgeport, CT
A-Overall grade189 students14 students per teacher
St. Bernard School
Parish school · Grades K–8
Serving families in Enfield since at least 2011
Enfield, CT
B+Overall grade183 students14 students per teacher
St. Paul School
Diocesan school · Grades Pre-K–8
Serving families in Kensington since at least 2011
Kensington, CT
B+Overall grade180 students14 students per teacher
Catholic Academy of Bridgeport/St Raphael Academy
Diocesan school · Grades Pre-K–3
Serving families in Bridgeport since at least 2011
Bridgeport, CT
BOverall grade179 students20 students per teacher
St. Ann Academy
Diocesan school · Grades K–8
One of the most diverse private schools in Connecticut
Bridgeport, CT
B+Overall grade179 students22 students per teacher
St. Theresa School
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Trumbull
Trumbull, CT
A+Overall grade177 students13 students per teacher
St. John Paul the Great Stream Academy
Diocesan school · Grades Pre-K–8
Growing: enrollment up 17% since 2011–12
Torrington, CT
BOverall grade174 students15 students per teacher
East Shoreline Catholic Academy
Parish school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools in Connecticut
Branford, CT
B+Overall grade173 students11 students per teacher
St. Lawrence School
Diocesan school · Grades Pre-K–8
Serving families in West Haven since at least 2011
West Haven, CT
B+Overall grade172 students18 students per teacher
Catholic Academy of Waterbury
Diocesan school · Grades Pre-K–8
Serving families in Waterbury since at least 2011
Waterbury, CT
B+Overall grade171 students16 students per teacher
St. Joseph School
Parish school · Grades Pre-K–8
Serving families in Bristol since at least 2011
Bristol, CT
AOverall grade171 students13 students per teacher
Assumption School
Parish school · Grades Pre-K–8
Serving families in Ansonia since at least 2011
Ansonia, CT
B+Overall grade163 students14 students per teacher
St. Michael School
Diocesan school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in Connecticut
Pawcatuck, CT
AOverall grade162 students12 students per teacher
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