Best Public Charter Schools in Warren County (2026)

Best Warren County Public Charter Schools (2026)

For the 2026 school year, there is 1 public charter school serving 135 students in Warren County, NJ.

The top-ranked public charter school in Warren County, NJ is Ridge And Valley Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Warren County, NJ public charter school have an score of 32% (versus the New Jersey public charter school average of 29%), and score of 52% (versus the 45% statewide average). Charter schools in Warren County have an average ranking of 8/10, which is in the top 30% of New Jersey public charter schools.

Minority enrollment is 25% of the student body (majority Hispanic), which is less than the New Jersey public charter school average of 93% (majority Black and Hispanic).

Best Public Charter Schools in Warren County (2026)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Ridge And Valley Charter School

Charter School

(Math: 30-34% | Reading: 50-54%)
:

Bottom 50%

1234 State Route 94
Blairstown, NJ 07825
(908) 362-1114

Gr: K-8 | 135 students Student-teacher ratio: 8:1 Minority enrollment: 25%

[+] Show Closed Public Schools in Warren County, NJ

Warren County Public Schools (Closed)

School

Location

Quick Facts

Andover Morris Elementary School (Closed 2023)

712 South Main Street
Phillipsburg, NJ 08865
(908) 213-2476

Gr: 3-5 | 279 students Student-teacher ratio: 10:1

Delaware Park School (Closed 2023)

Special Education School

Second & Aurora Sts.
Phillipsburg, NJ 08865
(908) 213-6388

Gr: K | 97 students Student-teacher ratio: 32:1 Minority enrollment: 8%

Freeman Elementary School (Closed 2023)

120 Filmore Street
Phillipsburg, NJ 08865
(908) 454-2263

Gr: 1-3 | 211 students Student-teacher ratio: 13:1

Liberty Elementary School (Closed 2020)

334 Mountain Lake Road
Great Meadows, NJ 07838
(908) 637-4115

Gr: 3-5 | 204 students Student-teacher ratio: 9:1 Minority enrollment: 18%

Phillipsburg Alter Sec H. S. High School (Closed 2005)

Fairview Avenue
Phillipsburg, NJ 08865
(908) 213-2688

Gr: 9-12 | 60 students Minority enrollment: 12%

Project Teach - Warren Elementary School (Closed 2014)

Alternative School

540 Route 57e
Port Murray, NJ 07865
(908) 680-4650

Gr: 11-12 | 3 students Minority enrollment: 67%

Third Street School (Closed 2020)

300 Third Street
Belvidere, NJ 07823
(908) 475-0104

Gr: K-2 | 85 students Student-teacher ratio: 8:1 Minority enrollment: 6%

Warren Acres (Closed 2010)

Alternative School

660 Oxford Road
Oxford, NJ 07863
(908) 475-7775

Gr: 6-12 | 10 students Minority enrollment: 20%

Warren County Special Services School (Closed 2023)

Special Education School

682 Oxford Road
Oxford, NJ 07863
(908) 223-7275

Gr: PK-12 | 15 students Student-teacher ratio: 2:1 Minority enrollment: 20%

Frequently Asked Questions

What are the top-ranked public charter schools in Warren County, NJ?

The top-ranked public charter schools in Warren County, NJ include Ridge And Valley Charter School.

How many public charter schools are located in Warren County?

1 public charter schools are located in Warren County.

What is the racial composition of students in Warren County?

Warren County public charter schools minority enrollment is 25% of the student body (majority Hispanic), which is less than the New Jersey public charter schools average of 93% (majority Black and Hispanic).