#1 Largest Private Schools in Waterbury, CT
Yeshiva K'tana of Waterbury
Jewish day school · Grades Pre-K–8
583 students
Waterbury, CT
BOverall grade583 students6 students per teacher
2026 lists
Largest Private Schools in Waterbury, CT
The private schools in Waterbury, CT with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Waterbury, CT
Holy Cross High School
Independent Catholic school · Grades 9–12
495 students
Waterbury, CT
B+Overall grade495 students13 students per teacher
#3 Largest Private Schools in Waterbury, CT
Catholic Academy of Waterbury
Diocesan school · Grades Pre-K–8
171 students
Waterbury, CT
B+Overall grade171 students16 students per teacher
#4 Largest Private Schools in Waterbury, CT
Children's Community School
Independent school · Grades Pre-K–8
129 students
Waterbury, CT
B+Overall grade129 students9 students per teacher
#5 Largest Private Schools in Waterbury, CT
Alpha & Omega Christian Academy
Pentecostal school · Grades K–10
20 students
Waterbury, CT
AOverall grade20 students4 students per teacher
From official public records, updated October 2026.