| Calvary Baptist School | Conroe | PreK-12 | 264 | 13.1 | Baptist |
| Conroe Adventist Academy | Conroe | PreK-8 | 43 | 8.6 | Seventh-Day Adventist |
| Covenant Christian School | Conroe | PreK-12 | 465 | 9.3 | Christian (nondenominational) |
| First Baptist Academy | Conroe | PreK-Transitional K | 20 | 10 | Baptist |
| Glenwood Private School | Conroe | PreK-2 | 18 | 9 | Nonsectarian |
| Kanguru Play & Learn Llc | Conroe | K | 19 | 19 | Nonsectarian |
| Lake Conroe Christian Academy | Conroe | PreK-4 | 84 | 3.1 | Christian (nondenominational) |
| Lifestyle Christian School | Conroe | K-12 | 94 | 7.3 | Assembly of God |
| Methodist Day School | Conroe | PreK-K | 14 | 7 | Methodist |
| Primrose of Conroe | Conroe | PreK-Transitional K | 21 | 7 | Nonsectarian |
| Sacred Heart Catholic School | Conroe | PreK-8 | 246 | 11.5 | Roman Catholic |
| The Grove Community School | Conroe | PreK-8 | 46 | 3.7 | Nonsectarian |
| Christian Life Center Academy | Kingwood | PreK-12 | 82 | 5.9 | Christian (nondenominational) |
| Magnolia Classical Academy | Magnolia | PreK-12 | 71 | 8.8 | Christian (nondenominational) |
| Texas Autism Academy | Magnolia | 1-9 | 31 | 2.6 | Nonsectarian |
| Montgomery Christian Academy | Montgomery | PreK-6 | 77 | 9.3 | Christian (nondenominational) |
| All Nations Community School | Oak Ridge North | PreK-10 | 57 | 4.4 | Christian (nondenominational) |
| Porter Christian Academy | Porter | PreK-12 | 69 | 6.9 | Pentecostal |
| Kiddie Academy of Harmony | Spring | PreK-Transitional K | 36 | 18 | Nonsectarian |
| Montessori Villa-the Woodlands | Spring | PreK-1 | 20 | 10 | Nonsectarian |
| Primrose School of Harmony | Spring | PreK-K | 18 | 6 | Nonsectarian |
| Primrose School of the Woodlands at Hughes Landing | Spring | PreK-K | 7 | 7 | Nonsectarian |
| Son Kids Christian School | Spring | PreK-K | 14 | 5.4 | Christian (nondenominational) |
| The Academy at World Champions Centre | Spring | 2-12 | 23 | 6.1 | Nonsectarian |
| The Woodlands Montessori School | Spring | PreK-K | 6 | 3 | Nonsectarian |
| Esprit International School | The Woodlands | PreK-12 | 88 | 5.1 | Nonsectarian |
| Greystone House Montessori | The Woodlands | PreK-K | 8 | 4 | Nonsectarian |
| Kangaroo Forest Early Childhood Center | The Woodlands | PreK-K | 5 | 5 | Nonsectarian |
| Legacy Preparatory Christian Academy | The Woodlands | PreK-12 | 683 | 9 | Christian (nondenominational) |
| Paddington British Private School | The Woodlands | K-4 | 42 | 7 | Nonsectarian |
| The John Cooper School | The Woodlands | PreK-12 | 1,299 | 9.4 | Nonsectarian |
| The Rubicon Academy | The Woodlands | 1-10 | 14 | 4.1 | Nonsectarian |
| The Woodlands Christian Academy | The Woodlands | PreK-12 | 780 | 7.9 | Calvinist |
| The Woodlands Methodist School | The Woodlands | PreK-8 | 238 | 11.6 | Methodist |
| The Woodlands Prep High School Online High School | The Woodlands | 1-12 | 60 | 12.2 | Nonsectarian |
| The Woodlands Young Learners Academy | The Woodlands | PreK | 30 | 10 | Nonsectarian |