| St. Pauls School | Concord | 9-12 | 548 | 8.9 | Episcopal |
| Concord Christian Academy | Concord | PreK-12 | 324 | 11.7 | Christian (nondenominational) |
| Trinity Christian School | Concord | K-12 | 244 | 10.6 | Baptist |
| South Merrimack Christian Academy | Merrimack | PreK-12 | 238 | 7.8 | Baptist |
| Tri-City Christian Academy | Somersworth | PreK-12 | 167 | 9.9 | Calvinist |
| Dublin Christian Academy | Dublin | PreK-12 | 164 | 10.2 | Christian (nondenominational) |
| Crossroads Christian School | Pelham | PreK-12 | 152 | 6.7 | Baptist |
| Laconia Christian Academy | Laconia | PreK-12 | 152 | 7.1 | Christian (nondenominational) |
| Claremont Christian Academy | Claremont | PreK-12 | 132 | 6.2 | Baptist |
| Heritage Christian School | Rindge | K-8 | 111 | 13.4 | Christian (nondenominational) |
| Trinity Christian School | Keene | PreK-8 | 96 | 9.6 | Lutheran Church (Missouri Synod) |
| Cornerstone Christian Academy | Ossipee | PreK-8 | 56 | 6.2 | Christian (nondenominational) |
| Victory Baptist School | Londonderry | PreK-12 | 52 | 5.8 | Baptist |
| Hillsboro Christian School | Hillsborough | PreK-12 | 47 | 7.1 | Baptist |
| Victory High School | Jaffrey | 9-12 | 43 | 14.3 | Christian (nondenominational) |
| Jesse Remington High School | Candia | 9-12 | 41 | 5.6 | Christian (nondenominational) |
| Tabernacle Christian School | Litchfield | PreK-12 | 36 | 4.2 | Baptist |
| Oliverian School | Pike | 9-12 | 35 | 3.7 | Episcopal |
| Heritage Baptist Academy | Nashua | Transitional K-12 | 27 | 4.9 | Baptist |
| Unity Christian School | Berlin | K-12 | 26 | 7.2 | Christian (nondenominational) |
| Crossing Life Academy | Windham | K-4 | 18 | 3.7 | Christian (nondenominational) |
| Hawthorne Academy | Antrim | 5-11 | 17 | 5.2 | Christian (nondenominational) |
| Capital Christian School | Concord | 2-8 | 16 | 16 | Seventh-Day Adventist |
| Amesbury Seventh-Day Adventist School | South Hampton | PreK-8 | 16 | 8 | Seventh-Day Adventist |
| Chestnut Christian Preschool & Kindergarten | New Boston | PreK-K | 16 | 7.6 | Christian (nondenominational) |
| Estabrook Christian School | Plainfield | Transitional 1st-8 | 11 | 10 | Seventh-Day Adventist |
| Sonshine Preschool & Daycare | Derry | PreK-1 | 10 | 10 | Assembly of God |
| Salem Kid Start Kindergarten | Salem | PreK-K | 5 | 2.5 | Baptist |
| Trinity Life Schools | Bedford | K-1 | 4 | 4 | Pentecostal |