| Business | Phone |
| Academy For Enrichment 9025 Chevrolet Dr, Ellicott City 21042 | (410) 465-8770 |
| Bonnie Branch Middle School 4979 Ilchester Rd, Ellicott City 21043 | (410) 313-2580 |
| Burleigh Manor Middle School 4200 Centennial Ln, Ellicott City 21042 | (410) 313-2507 |
| Centennial High School 4300 Centennial Ln, Ellicott City 21042 | (410) 313-2856 |
| Centennial Lane Elementary Sch 3825 Centennial Ln, Ellicott City 21042 | (410) 313-2800 |
| Columbia Academy 6000 University Blvd, Ellicott City 21043 | (410) 203-9608 |
| Crossroads Adventists School 3291 Saint Johns Ln, Ellicott City 21042 | (410) 465-6867 |
| Dunloggin Middle School 9129 Northfield Rd, Ellicott City 21042 | (410) 313-2831 |
| Ellicott Mills Middle School 4445 Montgomery Rd, Ellicott City 21043 | (410) 313-2839 |
| Hollifield Station Elementary 8701 Stonehouse Dr, Ellicott City 21043 | (410) 313-2550 |
| Howard County Board-Education 10910 State Route 108, Ellicott City 21042 | (301) 854-5466 |
| Howard County Gateway School 10914 State Route 108, Ellicott City 21042 | (410) 313-7081 |
| Howard County Public Schools 10910 State Route 108, Ellicott City 21042 | (410) 313-6600 |
| Howard High School 8700 Old Annapolis Rd, Ellicott City 21043 | (410) 313-2867 |
| Ilchester Elementary School 4981 Ilchester Rd, Ellicott City 21043 | (410) 313-2524 |
| Linwood Children's Ctr 3421 Martha Bush Dr, Ellicott City 21043 | (410) 465-1352 |
| Manor Woods Elementary School 11575 Frederick Rd, Ellicott City 21042 | (410) 313-7165 |
| Montessori School-Ellicott Cty 3604 Chatham Rd, Ellicott City 21042 | (410) 461-2911 |
| Mt Hebron High School 9440 State Route 99, Ellicott City 21042 | (410) 313-2880 |
| Mt Hebron Presbyterian Nursery 2330 Mount Hebron Dr, Ellicott City 21042 | (410) 461-2773 |
| Northfield Elementary School 9125 Northfield Rd, Ellicott City 21042 | (410) 313-2806 |
| Our Lady Of Perpetual Help 4801 Ilchester Rd, Ellicott City 21043 | (410) 747-9979 |
| Patapsco Middle School 8885 Old Frederick Rd, Ellicott City 21043 | (410) 313-2848 |
| St John's Lane Elementary 2960 Saint Johns Ln, Ellicott City 21042 | (410) 313-2813 |
| St John's Parish Day School 9130 Frederick Rd, Ellicott City 21042 | (410) 465-7644 |
| Triadelphia Ridge Elementary 13400 Triadelphia Rd, Ellicott City 21042 | (410) 313-2560 |
| Trinity School 4985 Ilchester Rd, Ellicott City 21043 | (410) 744-1524 |
| Waverly Elementary School 10220 Wetherburn Rd, Ellicott City 21042 | (410) 313-2819 |
| Worthington Elementary School 4570 Round Hill Rd, Ellicott City 21043 | (410) 313-2825 |