Mother Seton Regional High School
Diocesan school · Grades 9–12
Clark, NJ
1 Valley Rd, Clark, NJ 07066
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- ACollege-going
- B+Years serving families
- A+Diversity
What stands out
- The only Catholic school in Clark
- The only all-girls school in Clark
- Smaller classes than 80% of Catholic schools in New Jersey
- 96% of graduates go to four-year colleges
- Serving families in Clark since at least 2011
In Clark, New Jersey, Mother Seton Regional High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 181 students attend, with roughly 8 students per teacher, smaller classes than 80% of Catholic high schools in New Jersey. The school is an all-girls school and is part of the Archdiocese of Newark. The school reports that about 96% of its graduates go on to four-year colleges. The school day runs about 6 hours, 175 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 181
- Teachers
- 21.5 (full-time equivalent)
- Students per teacher
- 8.4
- Boys and girls
- All girls
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Newark
- School day
- About 6 hours
- School year
- 175 days
- Graduates going to 4-year colleges
- About 96% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 80% of Catholic high schools in New Jersey (8 students per teacher).
- A smaller school: fewer students than 89% of Catholic high schools in New Jersey.
- Compared with 35 Catholic high schools in New Jersey.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Mother Seton Regional High School
What grades does Mother Seton Regional High School serve?
Mother Seton Regional High School serves grades 9–12.
How many students attend Mother Seton Regional High School?
About 181 students, with 8 students per teacher, according to official records.
How much is tuition at Mother Seton Regional High School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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