| Harford Day School | 0.6 |
Regular elementary or secondary | Pre-KG-8 | 324 | 8.8 | Nonsectarian |
| Bel Forest Christian Academy | 1.4 |
Regular elementary or secondary | Pre-KG-8 | 57 | 9.7 | Baptist |
| Advent Lutheran Elementary School | 3.3 |
Regular elementary or secondary | KG-4 | 45 | 7.6 | Lutheran Church - Missouri Synod |
| Awakening Child Montessori School | 4.1 |
Montessori | Pre-KG-KG | 10 | 2.6 | Nonsectarian |
| The Monarch Montessori School | 4.5 |
Montessori | Pre-KG-KG | 3 | 1.5 | Nonsectarian |
| Monarch Montessori School | 4.5 |
Montessori | Pre-KG-KG | 3 | 1.5 | Nonsectarian |
| Mountain Christian School | 5.1 |
Regular elementary or secondary | KG-8 | 302 | 12.3 | Christian (no specific denomination) |
| Highlands School The | 5.4 |
Regular elementary or secondary | 2-8 | 78 | 11.1 | Nonsectarian |
| Trinity Lutheran School | 7.1 |
Regular elementary or secondary | KG-8 | 267 | 11.2 | Evangelical Lutheran Church in America |
| St Pauls Lutheran School | 7.1 |
Regular elementary or secondary | Pre-KG-8 | 148 | 14.4 | Lutheran Church - Missouri Synod |
| Free State Montessori School | 7.2 |
Montessori | Pre-KG-8 | 36 | 8.8 | Nonsectarian |
| St John Evangelist Elem School | 7.8 |
Regular elementary or secondary | Pre-KG-8 | 235 | 11.0 | Roman Catholic |
| St Stephen Parochial School | 8.0 |
Regular elementary or secondary | Pre-KG-8 | 282 | 17.1 | Roman Catholic |
| Childrens Center Of N Harford | 8.9 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Nonsectarian |
| Harford Friends School | 8.9 |
Regular elementary or secondary | 6-8 | 19 | 3.8 | Friends |
| St Joan Of Arc School | 9.8 |
Regular elementary or secondary | KG-8 | 203 | 13.0 | Roman Catholic |
| Trinity Church Day School | 11.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 6.7 | Episcopal |
| Heritage Montessori School | 11.1 |
Montessori | Pre-KG-5 | 30 | 6.8 | Nonsectarian |
| Montessori Manor | 11.1 |
Montessori | Pre-KG-2 | 8 | 3.1 | Nonsectarian |
| St James Academy | 11.8 |
Regular elementary or secondary | KG-8 | 356 | 6.0 | Episcopal |
| Tabernacle Christian School | 12.3 |
Regular elementary or secondary | Pre-KG-8 | 80 | 7.3 | Pentecostal |
| St Joseph School-fullerton | 13.3 |
Regular elementary or secondary | Pre-KG-8 | 480 | 17.2 | Roman Catholic |
| Child City Day Care | 14.4 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Nonsectarian |
| St Peters Christian Day School | 14.5 |
Regular elementary or secondary | Pre-KG-5 | 77 | 12.2 | Evangelical Lutheran Church in America |
| Villa Maria School At St Vincent's | 14.6 |
Special education | KG-6 | 51 | 4.2 | Nonsectarian |
| Baltimore White Marsh Adventist School | 14.7 |
Regular elementary or secondary | 2-7 | 12 | 12.0 | Seventh-Day Adventist |
| Good Shepherd Catholic School | 15.0 |
Regular elementary or secondary | KG-8 | 175 | 12.6 | Roman Catholic |
| Rock City Church Academy | 15.1 |
Regular elementary or secondary | Pre-KG-5 | 25 | 6.2 | Christian (no specific denomination) |
| Bridges Montessori | 15.1 |
Montessori | Pre-KG-Trans. KG | 6 | 1.4 | Nonsectarian |
| Epworth Childrens Center | 15.2 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Immaculate Heart Of Mary | 15.4 |
Regular elementary or secondary | Pre-KG-8 | 497 | 15.6 | Roman Catholic |
| Susquehanna Adventist School | 15.6 |
Regular elementary or secondary | 1-6 | 9 | 9.0 | Seventh-Day Adventist |
| St Michael The Archangel School | 15.9 |
Regular elementary or secondary | Pre-KG-8 | 365 | 16.4 | Roman Catholic |
| Ashland Preschool Center | 16.1 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Presbyterian |
| Havenwood Church Preschool Center | 16.1 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.0 | Presbyterian |
| "gla Academy ""school Of Excellence""" | 16.1 |
Regular elementary or secondary | KG-8 | 31 | 6.2 | Christian (no specific denomination) |
| Our Lady Of Mt Carmel Elementary School | 16.2 |
Regular elementary or secondary | Pre-KG-8 | 467 | 13.6 | Roman Catholic |
| Apple Tree Children's Center | 16.5 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.0 | Nonsectarian |
| Valley Baptist Kindergarten & Preschool | 16.5 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Baptist |
| Calvary Lutheran School | 16.5 |
Regular elementary or secondary | Pre-KG-5 | 88 | 12.9 | Lutheran Church - Missouri Synod |
| Hamilton Christian Center | 16.6 |
Regular elementary or secondary | Pre-KG-4 | 35 | 4.0 | Assembly of God |
| St Stephens Christian Academy | 16.6 |
Regular elementary or secondary | KG-2 | 16 | 8.0 | Methodist |
| Immaculate Conception School | 16.6 |
Regular elementary or secondary | Pre-KG-8 | 502 | 14.6 | Roman Catholic |
| St Paul's Nursery School & Kindergarten | 16.8 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.0 | Evangelical Lutheran Church in America |
| St Clare School | 16.9 |
Regular elementary or secondary | Pre-KG-8 | 216 | 12.6 | Roman Catholic |
| Bethlehem Christian Day School | 17.4 |
Regular elementary or secondary | Pre-KG-8 | 184 | 13.6 | Lutheran Church - Missouri Synod |
| Ascension Lutheran Church Nursery School & Kdgn | 17.4 |
Early childhood program/child care center | Pre-KG-KG | 13 | 4.5 | Evangelical Lutheran Church in America |
| Mt Pleasant Christian School | 17.4 |
Regular elementary or secondary | Pre-KG-7 | 109 | 12.4 | Christian (no specific denomination) |
| St Clement Mary Hofbauer School | 17.6 |
Regular elementary or secondary | Pre-KG-8 | 302 | 14.7 | Roman Catholic |
| Cathedral Christian Academy | 17.7 |
Regular elementary or secondary | Pre-KG-8 | 46 | 11.5 | Christian (no specific denomination) |
| Mother Mary Lange Catholic School | 17.8 |
Regular elementary or secondary | Pre-KG-8 | 305 | 15.6 | Roman Catholic |
| Our Lady Of Grace | 17.8 |
Regular elementary or secondary | KG-8 | 177 | 14.3 | Roman Catholic |
| Zion Christian Middle School | 17.8 |
Regular elementary or secondary | 6-8 | 34 | 5.8 | Baptist |
| Dulaney Day School | 17.8 |
Early childhood program/child care center | Pre-KG-KG | 15 | 7.5 | Nonsectarian |
| St Pius X School | 18.1 |
Regular elementary or secondary | Pre-KG-8 | 342 | 14.2 | Roman Catholic |
| Cardinal Shehan School | 18.2 |
Regular elementary or secondary | Pre-KG-8 | 311 | 22.2 | Roman Catholic |
| New Creation Christian Academy | 18.2 |
Early childhood program/child care center | Pre-KG-KG | 5 | 1.7 | Christian (no specific denomination) |
| Good Shepherd School | 18.3 |
Early childhood program/child care center | Pre-KG-KG | 16 | 2.3 | Episcopal |
| Miracle Baptist Christian School | 18.4 |
Regular elementary or secondary | Pre-KG-6 | 63 | 10.5 | Baptist |
| Govans Presbyterian Preschool | 18.7 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Presbyterian |
| Brown Memorial Weekday School | 18.7 |
Early childhood program/child care center | Pre-KG-KG | 20 | 9.5 | Presbyterian |
| Dayspring Christian Academy | 18.8 |
Regular elementary or secondary | KG-7 | 63 | 6.9 | Christian (no specific denomination) |
| Dr Thomas L Stephens Academy Of Achievement | 18.8 |
Regular elementary or secondary | Pre-KG-4 | 8 | 4.0 | Nonsectarian |
| Academy Of Achievement | 18.8 |
Regular elementary or secondary | 1-4 | 8 | 4.0 | Nonsectarian |
| St Mary Of The Assumption School | 18.9 |
Regular elementary or secondary | Pre-KG-8 | 135 | 12.3 | Roman Catholic |
| St Paul's Plus Preschool And Kindergarten | 19.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 1.7 | Episcopal |
| St Francis Of Assisi School | 19.0 |
Regular elementary or secondary | Pre-KG-8 | 199 | 7.4 | Roman Catholic |
| Church Of The Redeemer Day School | 19.1 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 32 | 7.4 | Episcopal |
| Ivey League Learning Center | 19.2 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| The Montessori School | 19.2 |
Montessori | Pre-KG-6 | 165 | 7.7 | Nonsectarian |
| Grace United Methodist Preschool | 19.3 |
Early childhood program/child care center | Pre-KG-KG | 12 | 8.6 | Methodist |
| Gods Excellent Disciples Christian Academy | 19.4 |
Regular elementary or secondary | Pre-KG-8 | 25 | 6.2 | Other |
| School Of The Cathedral Mary Our Queen | 19.4 |
Regular elementary or secondary | KG-8 | 437 | 11.7 | Roman Catholic |
| A Child S Place | 19.7 |
Early childhood program/child care center | Pre-KG-KG | 16 | 5.7 | Roman Catholic |
| Baltimore Christian School | 19.7 |
Regular elementary or secondary | KG-5 | 87 | 11.4 | Presbyterian |
| Hope Academy | 19.9 |
Regular elementary or secondary | Pre-KG-5 | 79 | 8.9 | Christian (no specific denomination) |
| Our Lady Of Fatima School | 20.1 |
Regular elementary or secondary | Pre-KG-8 | 133 | 10.8 | Roman Catholic |
| Shrine Of The Sacred Heart School | 20.2 |
Regular elementary or secondary | Pre-KG-8 | 167 | 12.1 | Roman Catholic |
| Calvert School | 20.2 |
Regular elementary or secondary | Pre-KG-8 | 494 | 8.1 | Nonsectarian |
| Rabbi Benjamin Steinberg Middle School | 20.2 |
Regular elementary or secondary | 6-8 | 283 | 11.4 | Jewish |
| First English Lutheran Preschool And Kindergarten | 20.2 |
Early childhood program/child care center | Pre-KG-KG | 8 | 5.7 | Evangelical Lutheran Church in America |
| Our Lady Of Hope St Luke School | 20.3 |
Regular elementary or secondary | Pre-KG-8 | 245 | 14.8 | Roman Catholic |
| St Davids Day School | 20.3 |
Early childhood program/child care center | Pre-KG-KG | 13 | 6.8 | Episcopal |
| New Spiritual Foundation Edu-care Learning Center | 20.4 |
Regular elementary or secondary | Pre-KG-2 | 22 | 5.1 | Christian (no specific denomination) |
| St Katharine School | 20.5 |
Regular elementary or secondary | Pre-KG-8 | 250 | 13.7 | Roman Catholic |
| Sacred Heart Of Mary School | 20.6 |
Regular elementary or secondary | Pre-KG-8 | 169 | 9.1 | Roman Catholic |
| Elmhurst Nursery School | 20.7 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Christian (no specific denomination) |
| St Thomas Aquinas School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 176 | 14.1 | Roman Catholic |
| Archbishop Borders School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 159 | 12.4 | Roman Catholic |
| St James & St John School | 21.3 |
Regular elementary or secondary | Pre-KG-5 | 231 | 19.2 | Roman Catholic |
| Kennedy Krieger School | 21.5 |
Special education | Pre-KG-8 | 153 | 6.2 | Nonsectarian |
| Father Kolke School | 21.7 |
Regular elementary or secondary | Pre-KG-8 | 145 | 10.1 | Roman Catholic |
| St Ambrose Catholic School | 21.9 |
Regular elementary or secondary | KG-8 | 206 | 18.7 | Roman Catholic |
| St Ignatius Loyola Academy | 21.9 |
Regular elementary or secondary | 6-8 | 68 | 5.8 | Roman Catholic |
| Goldsmith Early Childhood Education Center | 21.9 |
Early childhood program/child care center | Pre-KG-Trans. KG | 25 | 8.9 | Jewish |
| Mother Seton Academy | 22.0 |
Regular elementary or secondary | 6-8 | 61 | 6.9 | Roman Catholic |
| Grace & St Peters School | 22.2 |
Regular elementary or secondary | Pre-KG-5 | 80 | 5.8 | Episcopal |
| Baltimore Junior Academy | 22.3 |
Regular elementary or secondary | Pre-KG-8 | 109 | 13.6 | Seventh-Day Adventist |
| Bethel Christian School | 22.3 |
Regular elementary or secondary | Pre-KG-5 | 16 | 2.5 | Christian (no specific denomination) |
| Fr Charles Hall Elem School | 22.4 |
Regular elementary or secondary | Pre-KG-5 | 109 | 13.6 | Roman Catholic |
| Baltimore Hebrew Congregation Day School | 22.6 |
Regular elementary or secondary | Pre-KG-8 | 83 | 2.3 | Jewish |
| Friendship Montessori School | 23.1 |
Montessori | Pre-KG-KG | 6 | 2.0 | Nonsectarian |
| Catholic Community School | 23.1 |
Regular elementary or secondary | Pre-KG-8 | 141 | 13.1 | Roman Catholic |
| Cambridge School | 23.2 |
Regular elementary or secondary | KG-8 | 157 | 9.5 | Christian (no specific denomination) |
| Maarifa Elementary & Middle School | 23.3 |
Regular elementary or secondary | Pre-KG-8 | 16 | 5.3 | Nonsectarian |
| Pleasant Rock Christian School | 23.4 |
Alternative/other | Pre-KG-1 | 7 | 3.5 | Baptist |
| Jewish Community Center-ece Dept | 23.5 |
Early childhood program/child care center | Pre-KG-KG | 24 | 12.0 | Jewish |
| Ruxton Country School | 23.5 |
Regular elementary or secondary | KG-8 | 176 | 7.2 | Nonsectarian |
| St Thomas Parish Day School | 23.6 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Nonsectarian |
| Greater Youth Christian Academy | 23.8 |
Regular elementary or secondary | Pre-KG-8 | 32 | 6.4 | Other |
| Father Charles Hall Middle School | 23.8 |
Regular elementary or secondary | 6-8 | 77 | 14.3 | Other |
| Joseph & Corinne Schwartz Preschool Beth Israel | 24.0 |
Early childhood program/child care center | Pre-KG-Trans. KG | 27 | 6.3 | Jewish |
| The Oak Ridge Academy | 24.1 |
Early childhood program/child care center | Pre-KG-KG | 13 | 13.0 | Nonsectarian |
| Torah Institute | 24.2 |
Regular elementary or secondary | Pre-KG-8 | 536 | 10.3 | Jewish |
| Milford Mill Church Child Development Center | 24.4 |
Early childhood program/child care center | Pre-KG-KG | 19 | 14.6 | Methodist |
| Pilgrim Christian Day School | 24.7 |
Regular elementary or secondary | Pre-KG-5 | 31 | 6.9 | Lutheran Church - Missouri Synod |
| Unselds School | 24.9 |
Regular elementary or secondary | 1-8 | 130 | 9.3 | Nonsectarian |
| St Bernardine Catholic School | 25.0 |
Regular elementary or secondary | KG-8 | 206 | 12.9 | Roman Catholic |
