| Highlands School The | 5.1 |
78 | 84.6% | 10.3% | 5.1% | - | - |
| Monarch Montessori School | 6.2 |
3 | 33.3% | - | 33.3% | - | 33.3% |
| The Monarch Montessori School | 6.2 |
3 | 33.3% | - | 33.3% | - | 33.3% |
| Good Shepherd Catholic School | 6.7 |
175 | 96.0% | - | 2.3% | - | 1.7% |
| Susquehanna Adventist School | 8.0 |
9 | 77.8% | - | 22.2% | - | - |
| St Margaret School | 9.8 |
764 | 95.2% | 1.7% | 0.5% | 0.1% | 2.5% |
| Harford Day School | 9.8 |
324 | 86.1% | 2.5% | 3.7% | - | 7.7% |
| Awakening Child Montessori School | 10.0 |
10 | 100.0% | - | - | - | - |
| Trinity Lutheran School | 10.3 |
267 | 83.9% | 0.7% | 7.1% | - | 8.2% |
| Bel Forest Christian Academy | 11.2 |
57 | 93.0% | - | 7.0% | - | - |
| Mountain Christian School | 11.2 |
302 | 94.7% | 0.3% | 5.0% | - | - |
| Advent Lutheran Elementary School | 12.5 |
45 | 82.2% | 2.2% | 8.9% | - | 6.7% |
| St Stephen Parochial School | 13.2 |
282 | 94.0% | - | 0.7% | - | 5.3% |
| St Pauls Lutheran School | 13.6 |
148 | 95.9% | 2.0% | 0.7% | - | 1.4% |
| Free State Montessori School | 14.9 |
36 | 94.4% | - | 5.6% | - | - |
| Childrens Center Of N Harford | 15.7 |
3 | 100.0% | - | - | - | - |
| Harford Friends School | 15.7 |
19 | 94.7% | - | 5.3% | - | - |
| St John Evangelist Elem School | 16.4 |
235 | 97.4% | 1.3% | - | 0.9% | 0.4% |
| Friendship Montessori School | 16.6 |
6 | 100.0% | - | - | - | - |
| Heritage Montessori School | 17.3 |
30 | 50.0% | 10.0% | 20.0% | - | 20.0% |
| Tabernacle Christian School | 18.4 |
80 | 36.2% | 7.5% | 52.5% | - | 3.8% |
| Trinity Church Day School | 19.3 |
10 | 100.0% | - | - | - | - |
| St Joseph School-fullerton | 19.4 |
480 | 81.7% | 2.7% | 3.8% | - | 11.9% |
| Mount Aviat Academy | 19.5 |
236 | 93.2% | 1.3% | 1.3% | - | 4.2% |
| Immaculate Conception School | 19.5 |
264 | 94.7% | 1.9% | 1.5% | - | 1.9% |
| Our Lady Of Mt Carmel Elementary School | 19.8 |
467 | 87.2% | 1.1% | 10.7% | - | 1.1% |
| Baltimore White Marsh Adventist School | 19.9 |
12 | 16.7% | 25.0% | 58.3% | - | - |
| St Stephens Christian Academy | 20.2 |
16 | - | 6.2% | 93.8% | - | - |
| Radcliffe Creek School | 20.4 |
88 | 97.7% | - | 2.3% | - | - |
| St Peters Christian Day School | 20.5 |
77 | 79.2% | 1.3% | 18.2% | - | 1.3% |
| Montessori Manor | 20.5 |
8 | 100.0% | - | - | - | - |
| Child City Day Care | 20.9 |
3 | 100.0% | - | - | - | - |
| St Clare School | 20.9 |
216 | 88.4% | 3.7% | 2.8% | - | 5.1% |
| "gla Academy ""school Of Excellence""" | 21.3 |
31 | - | - | 100.0% | - | - |
| St James Academy | 21.6 |
356 | 93.0% | 0.6% | 5.6% | 0.3% | 0.6% |
| St Michael The Archangel School | 21.7 |
365 | 86.8% | 2.2% | 5.5% | 0.3% | 5.2% |
| Rock City Church Academy | 22.4 |
25 | 28.0% | 4.0% | 68.0% | - | - |
| St Clement Mary Hofbauer School | 22.5 |
302 | 83.1% | 2.0% | 10.3% | - | 4.6% |
| Immaculate Heart Of Mary | 22.5 |
497 | 93.2% | 1.0% | 4.4% | - | 1.4% |
| Bridges Montessori | 22.7 |
6 | 83.3% | - | - | - | 16.7% |
| Mt Pleasant Christian School | 22.7 |
109 | - | - | 100.0% | - | - |
| Bethlehem Christian Day School | 22.9 |
184 | 12.0% | 1.1% | 87.0% | - | - |
| Hamilton Christian Center | 23.0 |
35 | 97.1% | - | 2.9% | - | - |
| Calvary Lutheran School | 23.0 |
88 | 47.7% | 2.3% | 50.0% | - | - |
| Villa Maria School At St Vincent's | 23.3 |
51 | 43.1% | 2.0% | 51.0% | 2.0% | 2.0% |
| Mother Mary Lange Catholic School | 23.5 |
305 | 7.2% | 0.3% | 92.1% | - | 0.3% |
| Cathedral Christian Academy | 23.5 |
46 | - | - | 100.0% | - | - |
| New Creation Christian Academy | 23.6 |
5 | 20.0% | - | 80.0% | - | - |
| Zion Christian Middle School | 23.8 |
34 | 2.9% | - | 97.1% | - | - |
| Our Lady Of Hope St Luke School | 23.9 |
245 | 98.0% | 0.8% | 0.4% | - | 0.8% |
| Miracle Baptist Christian School | 24.0 |
63 | - | - | 100.0% | - | - |
| Epworth Childrens Center | 24.2 |
2 | 100.0% | - | - | - | - |
| Kent School | 24.2 |
165 | 94.5% | 3.6% | 1.8% | - | - |
| Immaculate Conception School | 24.3 |
502 | 89.8% | 4.4% | 1.4% | - | 4.4% |
| Havenwood Church Preschool Center | 24.4 |
10 | 90.0% | 10.0% | - | - | - |
| Dr Thomas L Stephens Academy Of Achievement | 24.5 |
8 | - | - | 100.0% | - | - |
| Academy Of Achievement | 24.5 |
8 | - | - | 100.0% | - | - |
| Valley Baptist Kindergarten & Preschool | 24.6 |
8 | 100.0% | - | - | - | - |
| Ascension Lutheran Church Nursery School & Kdgn | 24.7 |
13 | 92.3% | - | - | - | 7.7% |
| Cardinal Shehan School | 24.8 |
311 | - | - | 100.0% | - | - |
| Our Lady Of Fatima School | 24.8 |
133 | 83.5% | 5.3% | 7.5% | 1.5% | 2.3% |
| Sacred Heart Of Mary School | 25.0 |
169 | 95.9% | 0.6% | 1.2% | - | 2.4% |
| St Paul's Nursery School & Kindergarten | 25.0 |
10 | 80.0% | - | 10.0% | - | 10.0% |
