#1 Best Private Schools in the Diocese of Metuchen
St. Joseph Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Carteret
Carteret, NJ
A+Overall grade83 students7 students per teacher
2026 lists
Best Private Schools in the Diocese of Metuchen
Private schools in the Diocese of Metuchen with the highest overall grades. Top 18 of 18 schools.
#2 Best Private Schools in the Diocese of Metuchen
Holy Savior Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in New Jersey
South Plainfield, NJ
A+Overall grade121 students9 students per teacher
#3 Best Private Schools in the Diocese of Metuchen
Sts. Philip & James School
Parish school · Grades Pre-K–8
Smaller classes than 91% of Catholic schools in New Jersey
Phillipsburg, NJ
A+Overall grade114 students8 students per teacher
#4 Best Private Schools in the Diocese of Metuchen
St. Matthias Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Somerset
Somerset, NJ
A+Overall grade226 students11 students per teacher
#5 Best Private Schools in the Diocese of Metuchen
Immaculate Conception School
Diocesan school · Grades Pre-K–8
Smaller classes than 87% of Catholic schools in New Jersey
Spotswood, NJ
A+Overall grade98 students9 students per teacher
#6 Best Private Schools in the Diocese of Metuchen
St. Ann Classical Academy
Parish school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in New Jersey
Raritan, NJ
A+Overall grade69 students7 students per teacher
#7 Best Private Schools in the Diocese of Metuchen
St. Helena School
Parish school · Grades Pre-K–8
The only Catholic school in Edison
Edison, NJ
A+Overall grade162 students12 students per teacher
#8 Best Private Schools in the Diocese of Metuchen
St. Joseph High School
Independent Catholic school · Grades 9–12
The only all-boys school in Metuchen
Metuchen, NJ
AOverall gradeAll boys571 students13 students per teacher
#9 Best Private Schools in the Diocese of Metuchen
St. James Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Woodbridge
Woodbridge, NJ
AOverall grade131 students11 students per teacher
#10 Best Private Schools in the Diocese of Metuchen
Immaculate Conception School
Diocesan school · Grades Pre-K–8
Serving families in Annandale since at least 2011
Annandale, NJ
AOverall grade333 students11 students per teacher
#11 Best Private Schools in the Diocese of Metuchen
St. Stanislaus Kostka School
Parish school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in New Jersey
Sayreville, NJ
AOverall grade137 students11 students per teacher
#12 Best Private Schools in the Diocese of Metuchen
St. John Vianney School
Diocesan school · Grades Pre-K–8
Serving families in Colonia since at least 2011
Colonia, NJ
B+Overall grade247 students12 students per teacher
#13 Best Private Schools in the Diocese of Metuchen
Immaculate Conception School
Parish school · Grades Pre-K–8
Serving families in Somerville since at least 2011
Somerville, NJ
BOverall grade362 students13 students per teacher
#14 Best Private Schools in the Diocese of Metuchen
St. Thomas the Apostle School
Diocesan school · Grades Pre-K–8
The only Catholic school in Old Bridge
Old Bridge, NJ
BOverall grade326 students14 students per teacher
#15 Best Private Schools in the Diocese of Metuchen
Immaculata High School
Parish school · Grades 9–12
95% of graduates go to four-year colleges
Somerville, NJ
BOverall grade692 students13 students per teacher
#16 Best Private Schools in the Diocese of Metuchen
St. Francis Cathedral School
Diocesan school · Grades Pre-K–8
One of 2 Catholic schools in Metuchen
Metuchen, NJ
BOverall grade391 students16 students per teacher
#17 Best Private Schools in the Diocese of Metuchen
St. Bartholomew School
Parish school · Grades Pre-K–8
The only Catholic school in East Brunswick
East Brunswick, NJ
BOverall grade401 students19 students per teacher
#18 Best Private Schools in the Diocese of Metuchen
School of Saint Elizabeth
Diocesan school · Grades Pre-K–8
Serving families in Bernardsville since at least 2011
Bernardsville, NJ
BOverall grade148 students15 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.