Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Public Charter Schools in Union County (2026)
Public School Review - Established 2003

Best Union County Public Charter Schools (2026)

For the 2026 school year, there are 5 public charter schools serving 2,969 students in Union County, NJ.
The top-ranked public charter schools in Union County, NJ are The Queen City Academy Charter School, The Barack Obama Green Charter School and College Achieve Central Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, NJ public charter schools have an average math proficiency score of 20% (versus the New Jersey public charter school average of 29%), and reading proficiency score of 40% (versus the 45% statewide average). Charter schools in Union County have an average ranking of 3/10, which is in the bottom 50% of New Jersey public charter schools.
Minority enrollment is 100% of the student body (majority Hispanic), which is more than the New Jersey public charter school average of 94% (majority Hispanic and Black).

Best Public Charter Schools in Union County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
The Queen City Academy Charter School
Charter School
(Math: 30% | Reading: 44%)
Rank:
4/
10
Bottom 50%
815 West Seventh Street
Plainfield, NJ 07063
(908) 753-4700
Gr: K-12 | 378 students Student-teacher ratio: 15:1
Rank: #22.
The Barack Obama Green Charter School
Charter School
(Math: 20-24% | Reading: 40-49%)
Rank:
4/
10
Bottom 50%
35 Watchung Ave
Plainfield, NJ 07060
(877) 643-4064
Gr: 6-12 | 358 students Student-teacher ratio: 14:1
Rank: #33.
College Achieve Central Charter School
Charter School
(Math: 21% | Reading: 42%)
Rank:
3/
10
Bottom 50%
365 Emerson Ave
Plainfield, NJ 07062
(908) 625-1879
Gr: K-12 | 1,572 students Student-teacher ratio: 16:1
Rank: #44.
Cresthaven Academy Charter School
Charter School
(Math: 14% | Reading: 32%)
Rank:
2/
10
Bottom 50%
530 West 7th Street
Plainfield, NJ 07060
(908) 756-1234
Gr: K-8 | 621 students Student-teacher ratio: 21:1 Minority enrollment: 99%
Rank: #55.
Union County Teams Charter School
Charter School
(Math: 10-14% | Reading: 30-34%)
Rank:
2/
10
Bottom 50%
515 517 West Fourth Street
Plainfield, NJ 07060
(908) 754-9043
Gr: K-12 | 304 students Student-teacher ratio: 38:1

Frequently Asked Questions

What are the top-ranked public charter schools in Union County, NJ?
How many public charter schools are located in Union County?
5 public charter schools are located in Union County.
What is the racial composition of students in Union County?
Union County public charter schools minority enrollment is 100% of the student body (majority Hispanic), which is more than the New Jersey public charter schools average of 94% (majority Hispanic and Black).
Which public charter schools in Union County are often viewed compared to one another?

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (NJ):
Private & Boarding Schools:
State Links: