#1 Private Schools with the Smallest Classes in Essex County, NJ
Far Brook School
Independent school · Grades Pre-K–8
4.5 students per teacher
Short Hills, NJ
A+Overall grade198 students5 students per teacher
2026 lists
Private Schools with the Smallest Classes in Essex County, NJ
Private schools in Essex County, NJ with the fewest students per teacher (not counting preschools and special education schools). Top 27 of 27 schools.
#2 Private Schools with the Smallest Classes in Essex County, NJ
The Pingry Lower School
Independent school · Grades K–5
5.1 students per teacher
Short Hills, NJ
AOverall grade324 students5 students per teacher
#3 Private Schools with the Smallest Classes in Essex County, NJ
Joseph Kushner Hebrew Academy Rae Kushner Yeshiva
Jewish day school · Grades Pre-K–12
5.2 students per teacher
Livingston, NJ
AOverall grade690 students5 students per teacher
#4 Private Schools with the Smallest Classes in Essex County, NJ
Golda Och Academy
Jewish day school · Grades Pre-K–12
5.6 students per teacher
West Orange, NJ
A+Overall grade424 students6 students per teacher
#5 Private Schools with the Smallest Classes in Essex County, NJ
The Montclair Kimberley Academy
Independent school · Grades Pre-K–12
6 students per teacher
Montclair, NJ
A+Overall grade1,034 students6 students per teacher
#6 Private Schools with the Smallest Classes in Essex County, NJ
Montclair Cooperative School
Independent school · Grades Pre-K–8
7.2 students per teacher
Montclair, NJ
AOverall grade104 students7 students per teacher
#7 Private Schools with the Smallest Classes in Essex County, NJ
Mount Saint Dominic Academy
Independent Catholic school · Grades 9–12
7.8 students per teacher
Caldwell, NJ
A+Overall gradeAll girls254 students8 students per teacher
#8 Private Schools with the Smallest Classes in Essex County, NJ
St. Thomas the Apostle School
Diocesan school · Grades Pre-K–8
7.8 students per teacher
Bloomfield, NJ
A+Overall grade163 students8 students per teacher
#9 Private Schools with the Smallest Classes in Essex County, NJ
Lacordaire Academy
Independent Catholic school · Grades Pre-K–12
7.9 students per teacher
Upper Montclair, NJ
A+Overall grade255 students8 students per teacher
#10 Private Schools with the Smallest Classes in Essex County, NJ
Maarif School
Islamic school · Grades Pre-K–12
8.1 students per teacher
Bloomfield, NJ
AOverall grade199 students8 students per teacher
#11 Private Schools with the Smallest Classes in Essex County, NJ
Madrasatu Ahlis Sunnah
Islamic school · Grades Pre-K–12
8.1 students per teacher
East Orange, NJ
B+Overall grade198 students8 students per teacher
#12 Private Schools with the Smallest Classes in Essex County, NJ
Our Lady of Sorrows School
Diocesan school · Grades Pre-K–8
8.4 students per teacher
South Orange, NJ
A+Overall grade184 students8 students per teacher
#13 Private Schools with the Smallest Classes in Essex County, NJ
St. Cassian Elementary School
Diocesan school · Grades Pre-K–8
9.2 students per teacher
Upper Montclair, NJ
A+Overall grade207 students9 students per teacher
#14 Private Schools with the Smallest Classes in Essex County, NJ
Aquinas Academy
Diocesan school · Grades K–8
9.3 students per teacher
Livingston, NJ
A+Overall grade165 students9 students per teacher
#15 Private Schools with the Smallest Classes in Essex County, NJ
St. Vincent Academy
Independent Catholic school · Grades 9–12
9.4 students per teacher
Newark, NJ
A+Overall gradeAll girls197 students9 students per teacher
#16 Private Schools with the Smallest Classes in Essex County, NJ
St. Peters School
Diocesan school · Grades Pre-K–8
9.4 students per teacher
Belleville, NJ
A+Overall grade102 students9 students per teacher
#17 Private Schools with the Smallest Classes in Essex County, NJ
Our Lady of the Lake School
Diocesan school · Grades Pre-K–8
10.6 students per teacher
Verona, NJ
A+Overall grade148 students11 students per teacher
#18 Private Schools with the Smallest Classes in Essex County, NJ
Immaculate Conception High School
Independent Catholic school · Grades 9–12
10.9 students per teacher
Montclair, NJ
B+Overall grade164 students11 students per teacher
#19 Private Schools with the Smallest Classes in Essex County, NJ
St. Rose of Lima Academy
Diocesan school · Grades Pre-K–8
12.1 students per teacher
Short Hills, NJ
AOverall grade152 students12 students per teacher
#20 Private Schools with the Smallest Classes in Essex County, NJ
Seton Hall Preparatory School
Diocesan school · Grades 9–12
12.5 students per teacher
West Orange, NJ
A+Overall gradeAll boys981 students13 students per teacher
#21 Private Schools with the Smallest Classes in Essex County, NJ
St. Benedict's Prep
Independent Catholic school · Grades K–12
12.9 students per teacher
Newark, NJ
B+Overall grade965 students13 students per teacher
#22 Private Schools with the Smallest Classes in Essex County, NJ
St. Catherine of Siena School
Diocesan school · Grades Pre-K–8
13.3 students per teacher
Cedar Grove, NJ
A-Overall grade180 students13 students per teacher
#23 Private Schools with the Smallest Classes in Essex County, NJ
Abundant Life Academy
Pentecostal school · Grades Pre-K–12
13.6 students per teacher
Nutley, NJ
B+Overall grade367 students14 students per teacher
#24 Private Schools with the Smallest Classes in Essex County, NJ
St. Joseph Elementary School
Parish school · Grades Pre-K–8
16.4 students per teacher
East Orange, NJ
B-Overall grade174 students16 students per teacher
From official public records, updated October 2026.