For the 2025-26 school year, there are 38 private elementary schools serving 7,574 students in Union County, NJ.
The top ranked private elementary schools in Union County, NJ include Oak Knoll School Of The Holy Child, Kent Place School, and Oak Knoll School of the Holy Child (Lower School).
The average tuition cost is $18,703, which is higher than the New Jersey private elementary school average tuition cost of $18,330.
Top Ranked Union County Private Elementary Schools (2025-26)
School
Location
Quick Facts
44 Blackburn Road
Summit, NJ 07901
(908) 522-8100
Summit, NJ 07901
(908) 522-8100
Gr: 7-12 | 323 students Avg. class size: 61 students Sports: 15 | Extracurrculars: 38 Tuition listed
44 Blackburn Road
Summit, NJ 07901
(908) 522-8109
Summit, NJ 07901
(908) 522-8109
Gr: PK-6 | 178 students Avg. class size: 12 students Extracurrculars: 14 Tuition listed
1020 Springfield Ave
Mountainside, NJ 07092
(908) 516-4231
Mountainside, NJ 07092
(908) 516-4231
Gr: 5-8 | 12 students Avg. class size: 5 students Sports: 1 | Extracurrculars: 7 Tuition & acceptance rate listed
10-12 Commerce Drive
Cranford, NJ 07016
(908) 543-0220
Cranford, NJ 07016
(908) 543-0220
Gr: 5-12 | 130 students Avg. class size: 8 students Sports: 6 Tuition listed
Bruriah High School For Girls
All-boys (Jewish)
35 North Avenue
Elizabeth, NJ 07208
(908) 355-4850
Elizabeth, NJ 07208
(908) 355-4850
Gr: 7-12 | 350 students Avg. class size: 15 students Tuition & acceptance rate listed
34 Russo Place
Berkeley Heights, NJ 07922
(908) 322-0554
Berkeley Heights, NJ 07922
(908) 322-0554
Gr: K-12 | 100 students Avg. class size: 4 students Extracurrculars: 7 Tuition listed
336 First St.
Westfield, NJ 07090
(908) 233-0484
Westfield, NJ 07090
(908) 233-0484
Gr: PK-8 | 375 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 5 Tuition & acceptance rate listed
330 Elmora Ave
Elizabeth, NJ 07208
(908) 355-4850
Elizabeth, NJ 07208
(908) 355-4850
Gr: K-8 | 306 students Avg. class size: 18 students
42 Norwood Avenue
Summit, NJ 07901
(908) 273-0900
Summit, NJ 07901
(908) 273-0900
Gr: PK-12 | 640 students Avg. class size: 12 students Tuition & acceptance rate listed
1040 Plainfield Ave
Plainfield, NJ 07060
(908) 668-9883
Plainfield, NJ 07060
(908) 668-9883
Gr: PK-12 | 278 students Extracurrculars: 4 Tuition listed
1 Beverly Rd
Summit, NJ 07901
(908) 273-1084
Summit, NJ 07901
(908) 273-1084
Gr: 7-12 | 376 students Tuition & acceptance rate listed
Valley Road
Clark, NJ 07066
(732) 388-1360
Clark, NJ 07066
(732) 388-1360
Gr: PK-8 | 405 students
St. John The Apostle School
(Catholic)
1805 Penbrook Ter
Linden, NJ 07036
(908) 486-6363
Linden, NJ 07036
(908) 486-6363
Gr: PK-8 | 439 students
140 East 3rd Avenue
Roselle, NJ 07203
(908) 245-6560
Roselle, NJ 07203
(908) 245-6560
Gr: PK-8 | 227 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 9 Tuition listed
St. Michael Parish School
(Catholic)
1212 Kelly St
Union, NJ 07083
(908) 688-1063
Union, NJ 07083
(908) 688-1063
Gr: PK-8 | 342 students Avg. class size: 20 students Tuition listed
100 Alden St
Cranford, NJ 07016
(908) 276-9425
Cranford, NJ 07016
(908) 276-9425
Gr: PK-8 | 320 students Tuition listed
540 Washington Ave
Kenilworth, NJ 07033
(908) 276-7220
Kenilworth, NJ 07033
(908) 276-7220
Gr: PK-8 | 313 students
705 Clinton Street
Linden, NJ 07036
(908) 862-1619
Linden, NJ 07036
(908) 862-1619
Gr: K-8 | 150 students Avg. class size: 15 students
1500 Maple Ave
Hillside, NJ 07205
(973) 923-7568
Hillside, NJ 07205
(973) 923-7568
Gr: K-8 | 41 students Avg. class size: 12 students Sports: 5 | Extracurrculars: 3 Tuition listed
The Academy of Our Lady of Peace![The Academy of Our Lady of Peace Photo]( "The Academy of Our Lady of Peace Photo")
(Catholic)
99 South Street
New Providence, NJ 07974
(908) 464-8657
New Providence, NJ 07974
(908) 464-8657
Gr: PK-8 | 212 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 12 Tuition & acceptance rate listed
Blessed Sacrament Elementary School
(Catholic)
1086 North Avenue
Elizabeth, NJ 07201
(908) 352-8629
Elizabeth, NJ 07201
(908) 352-8629
Gr: PK-8 | 225 students
303 Chestnut Street
Roselle, NJ 07203
(908) 241-6470
Roselle, NJ 07203
(908) 241-6470
Gr: PK-4 | 126 students
Christopher Academy
Montessori School
1390 Terrill Rd
Scotch Plains, NJ 07076
(908) 233-7447
Scotch Plains, NJ 07076
(908) 233-7447
Gr: K-1 | 28 students
Christopher Academy
Montessori School
510 Hillcrest Avenue
Westfield, NJ 07090
(908) 233-7447
Westfield, NJ 07090
(908) 233-7447
Gr: PK-1 | 95 students
Deron School 1![Deron School 1 Photo - The Deron School of New Jersey, Montclair, NJ]( "Deron School 1 Photo - The Deron School of New Jersey, Montclair, NJ")
Special Education School
1140 Commerce Ave
Union, NJ 07083
(908) 206-0444
Union, NJ 07083
(908) 206-0444
Gr: PK-11 | 70 students Avg. class size: 8 students
Elizabethport Catholic School
Special Program Emphasis (Catholic)
227 Court Street
Elizabethport, NJ 07206
(908) 351-2188
Elizabethport, NJ 07206
(908) 351-2188
Gr: K-8 | 191 students
Featherbed Lane School Of Clark
Daycare / Preschool
801 Featherbed Ln
Clark, NJ 07066
(732) 388-7063
Clark, NJ 07066
(732) 388-7063
Gr: K-1 | 47 students
First Children School
Special Education School
330 South Ave
Fanwood, NJ 07023
(908) 654-2470
Fanwood, NJ 07023
(908) 654-2470
Gr: PK-12 | 80 students Avg. class size: 9 students Tuition listed
397 Columbia Ave
Hillside, NJ 07205
(908) 686-6740
Hillside, NJ 07205
(908) 686-6740
Gr: K-9 | 194 students Tuition listed
Honor Ridge Academy
Special Education School
342 Madison Hill Rd
Clark, NJ 07066
(732) 827-5885
Clark, NJ 07066
(732) 827-5885
Gr: 3-12 | 88 students Avg. class size: 15 students
I Am's Temple Christian Academy
(Christian)
620 Ravine Rd
Plainfield, NJ 07062
(908) 753-6222
Plainfield, NJ 07062
(908) 753-6222
Gr: K-9 | 118 students Tuition listed
Kohler Academy![Kohler Academy Photo]( "Kohler Academy Photo")
Special Education School
1137 Globe Ave
Mountainside, NJ 07092
(908) 518-0021
Mountainside, NJ 07092
(908) 518-0021
Gr: PK-12 | 35 students
1000 Cellar Avenue
Scotch Plains, NJ 07076
(908) 753-0330
Scotch Plains, NJ 07076
(908) 753-0330
Gr: K-12 | 160 students Avg. class size: 12 students Extracurrculars: 3 Tuition listed
Newmark School
Special Education School
1000 Cellar Avenue
Scotch Plains, NJ 07076
(908) 753-0330
Scotch Plains, NJ 07076
(908) 753-0330
Gr: 2-8 | 82 students
Precious Pumpkin Learning Academy
Daycare / Preschool
674 New Brunswick Ave
Rahway, NJ 07065
(908) 770-3239
Rahway, NJ 07065
(908) 770-3239
Gr: PK-1 | 78 students Tuition listed
Show 3 more private schools in Union County, NJ (out of 38 total schools)
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Union County Private Schools (Closed)
School
Location
Quick Facts
Bender Memorial Academy (Closed 2004)
(Catholic)
416 Linden Ave
Elizabeth, NJ 07202
(908) 352-4406
Elizabeth, NJ 07202
(908) 352-4406
Gr: PK-8 | 175 students
Benedictine Academy (Closed 2023)
All-girls (Catholic)
840 N Broad St
Elizabeth, NJ 07208
(908) 352-0670
Elizabeth, NJ 07208
(908) 352-0670
Gr: 9-12 | 127 students Avg. class size: 45 students Tuition & acceptance rate listed
Hinder Them Not Montessori School (Closed 2015)
Montessori School (Christian)
225 N 8th St
Kenilworth, NJ 07033
(908) 276-7750
Kenilworth, NJ 07033
(908) 276-7750
Gr: PK-K | 20 students
Holy Spirit School (Closed 2024)
(Catholic)
970 Suburban Road
Union, NJ 07083
(908) 687-8415
Union, NJ 07083
(908) 687-8415
Gr: PK-8 | 124 students Avg. class size: 26 students Tuition & acceptance rate listed
Holycross Christian Nursery School (Closed 2010)
Daycare / Preschool (Evangelical Lutheran Church in America (formerly AELC, ALC, or LCA))
639 Mountain Avenue
Springfield, NJ 07081
(973) 379-7160
Springfield, NJ 07081
(973) 379-7160
Gr: PK-K | 93 students
Little Lambs Preschool And Kindergarten (Closed 2020)
Daycare / Preschool (Lutheran Church Missouri Synod)
229 Cowperthwaite Place
Westfield, NJ 07090
(908) 232-1592
Westfield, NJ 07090
(908) 232-1592
Gr: PK-K | 12 students Avg. class size: 12 students Tuition & acceptance rate listed
Mcauley School (Closed 2010)
Special Education School
107 Westervelt Ave
Plainfield, NJ 07060
(908) 754-4114
Plainfield, NJ 07060
(908) 754-4114
Gr: Inquire with school | 33 students
Messiah Lutheran School (Closed 2004)
(Lutheran Church Missouri Synod)
630 E Front Street
Plainfield, NJ 07060
(908) 755-8430
Plainfield, NJ 07060
(908) 755-8430
Gr: PK-2 | 51 students
227 Center St
Elizabeth, NJ 07202
(908) 352-7419
Elizabeth, NJ 07202
(908) 352-7419
Gr: PK-8 | 167 students
1003 N Broad Street
Elizabeth, NJ 07208
(908) 352-8029
Elizabeth, NJ 07208
(908) 352-8029
Gr: K-8 | 177 students
St. Genevieve School (Closed 2015)
(Catholic)
209 Princeton Rd
Elizabeth, NJ 07208
(908) 355-3355
Elizabeth, NJ 07208
(908) 355-3355
Gr: PK-8 | 210 students
41 S Springfield Ave
Springfield, NJ 07081
(973) 376-5194
Springfield, NJ 07081
(973) 376-5194
Gr: PK-8 | 159 students
101 Westervelt Avenue
Plainfield, NJ 07060
(908) 756-9539
Plainfield, NJ 07060
(908) 756-9539
Gr: K-8 | 155 students
237 S Broad St
Elizabeth, NJ 07202
(908) 352-4350
Elizabeth, NJ 07202
(908) 352-4350
Gr: 9-12 | 184 students Tuition listed
Shim Academy Of Montessori (Closed 2015)
Montessori School
1305 Saint George Ave
Roselle, NJ 07203
(908) 620-0404
Roselle, NJ 07203
(908) 620-0404
Gr: K-4 | 28 students
Frequently Asked Questions
What are the top ranked private elementary schools in Union County, NJ?
The top ranked private elementary schools in Union County, NJ include Oak Knoll School Of The Holy Child, Kent Place School, and Oak Knoll School of the Holy Child (Lower School).
How many private elementary schools are located in Union County?
38 private elementary schools are located in Union County.
How much do private elementary schools cost in Union County?
The average tuition cost is $18,703, which is higher than the New Jersey private school average tuition cost of $18,330.
How diverse are private elementary schools in Union County?
Union County private elementary schools are approximately 45% minority students, which is higher than the New Jersey private school average of 39%.
What percentage of private elementary schools are religiously affiliated in Union County?
Which private elementary schools in Union County are often viewed compared to one another?
Popular comparisons of private elementary schools in Union County include: St. John The Apostle School vs. St. Joseph The Carpenter School, Jewish Educational Center Lower School vs. Blessed Sacrament Elementary School
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