allk12 · Rankings · Lowest ratio · New Jersey · Union County · High schools

The public high schools with the lowest student-to-teacher ratios in Union County, New Jersey

Across Union County, New Jersey, 31 public high schools are ranked here, ranked by the fewest students per teacher, a proxy for class size and staffing. Plainfield Academy For The Arts & Advanced Studies leads the list at 8.9:1, against a median of 13.8:1 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Union County, New Jersey

Best Students/teacher

8.9:1

Median Students/teacher

13.8:1

LOWEST RATIO · UNION COUNTY, NEW JERSEY

#	School	City	District	Level	Students	Ratio
1	Plainfield Academy For The Arts & Advanced Studies	PLAINFIELD, NJ	Plainfield Public School District	High	357	8.9:1
2	Governor Livingston High School	BERKELEY HEIGHTS, NJ	Berkeley Heights School District	High	849	10.4:1
3	Cranford High School	CRANFORD, NJ	Cranford Public School District	High	1,116	11.1:1
4	David Brearley Middle/High School	Kenilworth, NJ	Kenilworth School District	High	774	11.1:1
5	New Providence High School	NEW PROVIDENCE, NJ	New Providence School District	High	644	11.1:1
6	Summit High School	SUMMIT, NJ	Summit Public School District	High	1,198	11.3:1
7	Westfield Senior High School	Westfield, NJ	Westfield Public School District	High	1,776	11.4:1
8	Arthur L. Johnson High School	CLARK, NJ	Clark Township Public School District	High	785	12.7:1
9	Roselle Park High School	ROSELLE PARK, NJ	Roselle Park Public School District	High	593	13.1:1
10	Rahway High School	RAHWAY, NJ	Rahway Public School District	High	1,286	13.2:1
11	Plainfield High School	PLAINFIELD, NJ	Plainfield Public School District	High	2,077	13.3:1
12	Scotch Plains-Fanwood High School	SCOTCH PLAINS, NJ	Scotch Plains-Fanwood School District	High	1,562	13.3:1
13	Hillside High School	HILLSIDE, NJ	Hillside Public School District	High	911	13.6:1
14	Linden High School	Linden, NJ	Linden Public School District	High	1,934	13.6:1
15	Jonathan Dayton High School	Springfield, NJ	Springfield Public School District	High	654	13.8:1
16	J. Christian Bollwage Finance Academy	Elizabeth, NJ	Elizabeth Public Schools	High	415	13.8:1
17	Thomas A. Edison Career and Technical Academy	Elizabeth, NJ	Elizabeth Public Schools	High	842	14.3:1
18	The Barack Obama Green Charter School	Plainfield, NJ	The Barack Obama Green Charter High School District	High	358	14.3:1
19	John E. Dwyer Technology Academy	Elizabeth, NJ	Elizabeth Public Schools	High	1,348	14.4:1
20	Thomas Jefferson Arts Academy	Elizabeth, NJ	Elizabeth Public Schools	High	1,144	14.5:1
21	Admiral William F. Halsey Jr. Health & Public Safety Academy	Elizabeth, NJ	Elizabeth Public Schools	High	1,272	14.6:1
22	Abraham Clark High School	ROSELLE, NJ	Roselle Public School District	High	926	15.2:1
23	Union High School	UNION, NJ	Township of Union School District	High	2,410	15.3:1
24	Academy For Performing Arts	SCOTCH PLAINS, NJ	Union County Vocational-Technical School District	High	242	16.1:1
25	Alexander Hamilton Preparatory Academy	Elizabeth, NJ	Elizabeth Public Schools	High	1,015	16.1:1
26	K. Johnson D. Vaughan and M. Jackson STEM Academy	Elizabeth, NJ	Elizabeth Public Schools	High	740	17.2:1
27	Elizabeth High School - Frank J Cicarell Academy	ELIZABETH, NJ	Elizabeth Public Schools	High	1,268	18.1:1
28	Union County Magnet High School	SCOTCH PLAINS, NJ	Union County Vocational-Technical School District	High	297	20.0:1
29	Academy For Allied Health Sciences	SCOTCH PLAINS, NJ	Union County Vocational-Technical School District	High	308	20.2:1
30	Union County Tech	SCOTCH PLAINS, NJ	Union County Vocational-Technical School District	High	502	20.4:1
31	Academy For Information Technology	SCOTCH PLAINS, NJ	Union County Vocational-Technical School District	High	307	21.3:1

Page 1 of 1 · top 31 of 31 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.