| Phillipsburg Christian Academy | 0.0 |
Regular elementary or secondary | Pre-KG-8 | 64 | 6.7 | Other |
| Sts Philip & James School | 0.5 |
Regular elementary or secondary | Pre-KG-8 | 248 | 12.0 | Roman Catholic |
| Busy Bees Learning Center | 0.8 |
Montessori | Pre-KG-5 | 58 | 29.0 | Nonsectarian |
| Good Shepherd Christian Academy | 9.7 |
Regular elementary or secondary | Pre-KG-8 | 122 | 10.7 | Assembly of God |
| Open Arms Childcare & Presch | 10.8 |
Regular elementary or secondary | Pre-KG-1 | 22 | 11.0 | Other |
| Clorkwork Learning Center | 11.9 |
Early childhood program/child care center | Pre-KG-KG | 6 | 3.8 | Nonsectarian |
| Crossroads Christian Academy | 14.0 |
Regular elementary or secondary | Pre-KG-8 | 154 | 9.4 | Baptist |
| Hayth's Preschool, Kindergarten And Childcare | 15.0 |
Early childhood program/child care center | Pre-KG-KG | 60 | 66.7 | Nonsectarian |
| Immaculate Conception School | 15.9 |
Regular elementary or secondary | Pre-KG-8 | 436 | 14.3 | Roman Catholic |
| Acorn Montessori School | 17.1 |
Montessori | Pre-KG-7 | 82 | 5.6 | Nonsectarian |
| Ivy Leaf School | 17.2 |
Regular elementary or secondary | Pre-KG-1 | 14 | 2.9 | Nonsectarian |
| Montessori Of Califon | 17.3 |
Montessori | Pre-KG-KG | 8 | 5.0 | Nonsectarian |
| Kiddie Academy Of Lebanon | 17.7 |
Early childhood program/child care center | Pre-KG-KG | 16 | 11.4 | Nonsectarian |
| First Step Learning Center Of Lebanon | 18.2 |
Early childhood program/child care center | Pre-KG-KG | 18 | 6.0 | Nonsectarian |
| Stanton Learning Center | 20.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Other |
| Friendship Center | 20.2 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Christian (no specific denomination) |
| Clockwork Learning Center Flemington | 20.2 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Nonsectarian |
| The Goddard School | 20.4 |
Early childhood program/child care center | Pre-KG-KG | 16 | 8.4 | Nonsectarian |
| Sunrise School | 20.9 |
Early childhood program/child care center | Pre-KG-KG | 6 | 2.9 | Nonsectarian |
| Village Montessori School | 20.9 |
Montessori | Pre-KG-KG | 5 | 2.5 | Nonsectarian |
| St Mary's School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 210 | 13.6 | Roman Catholic |
| Flemington Montessori School & Preschool | 21.5 |
Montessori | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Kindercare Learning Center | 21.7 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| The Merck Child Learning Center | 21.9 |
Early childhood program/child care center | KG-KG | 18 | 6.0 | Nonsectarian |
| St Paul Christian School | 22.1 |
Regular elementary or secondary | Pre-KG-2 | 23 | 11.5 | Lutheran Church - Missouri Synod |
| Valley Brook Country Day School | 22.3 |
Early childhood program/child care center | Pre-KG-KG | 45 | 11.2 | Nonsectarian |
| Children's Center | 22.5 |
Early childhood program/child care center | Pre-KG-KG | 5 | 2.2 | Nonsectarian |
| Deer Path Montessori School | 22.6 |
Montessori | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
