| Business | Phone |
| Ballenger Creek Elementary 5250 Kingsbrook Dr, Frederick 21703 | (240) 236-2500 |
| Ballenger Creek Middle School 5525 Ballenger Creek Pike, Frederick 21703 | (240) 236-5700 |
| Banner Middle School 1730 N Market St, Frederick 21701 | (301) 695-9330 |
| Banner School 1730 N Market St, Frederick 21701 | (301) 695-9320 |
| Career & Technology Ctr 7922 Opossumtown Pike, Frederick 21702 | (240) 236-8500 |
| Community Agency School Svc 600 N Bentz St, Frederick 21701 | (301) 696-6973 |
| Crestwood Middle School 7100 Foxcroft Dr, Frederick 21703 | (240) 566-9000 |
| Evangelical Lutheran School 35 E Church St, Frederick 21701 | (301) 663-5117 |
| Frederick Christian Academy 6642 Carpenter Rd, Frederick 21703 | (301) 473-8990 |
| Frederick County Board Of Ed 115 E Church St, Frederick 21701 | (301) 694-1000 |
| Frederick County Public School 115 E Church St, Frederick 21701 | (301) 644-5000 |
| Frederick County Public School 7516 Hayward Rd, Frederick 21702 | (301) 694-1442 |
| Frederick County Public School 7630 Hayward Rd, Frederick 21702 | (301) 644-5000 |
| Frederick High School 650 Carroll Pkwy, Frederick 21701 | (240) 236-7000 |
| Governor Thomas Johnson High 1501 N Market St, Frederick 21701 | (240) 236-8200 |
| Governor Thomas Johnson Middle 1799 Schifferstadt Blvd, Frederick 21701 | (240) 236-4900 |
| Head Start 520 N Market St, Frederick 21701 | (301) 694-1024 |
| Heather Ridge School 1445 Taney Ave, Frederick 21702 | (240) 236-8000 |
| Hillcrest Elementary School 1285 Hillcrest Dr, Frederick 21703 | (240) 236-3200 |
| Linganore High School 12013 Old Annapolis Rd, Frederick 21701 | (240) 236-7800 |
| Maryland School For The Deaf 101 Clarke Pl, Frederick 21701 | (301) 360-2000 |
| Monacacy Elementary School 7421 Hayward Rd, Frederick 21702 | (301) 695-4575 |
| Monocacy Middle School 8009 Opossumtown Pike, Frederick 21702 | (240) 236-4700 |
| Monocacy Valley Montessori 2421 Monocacy Blvd, Frederick 21701 | (301) 668-5013 |
| New Life Christian School 5909 Jefferson Pike, Frederick 21703 | (301) 663-8418 |
| North Frederick Elementary 1001 Motter Ave, Frederick 21701 | (240) 236-2000 |
| Orchard Grove Elementary Schl 5898 Hannover Dr, Frederick 21703 | (240) 236-2400 |
| Parkway Elementary School 300 Carroll Pkwy, Frederick 21701 | (240) 236-2600 |
| Pupil Personnel 7516 Hayward Rd, Frederick 21702 | (301) 694-1356 |
| Rock Creek Elementary School 191 Waverley Dr, Frederick 21702 | (240) 236-8700 |
| Seventh-Day Adventist School 6437 Jefferson Pike, Frederick 21703 | (301) 663-0363 |
| South Frederick Elementary 250 Madison St, Frederick 21701 | (240) 236-2650 |
| Spring Ridge Elementary School 9051 Ridgefield Dr, Frederick 21701 | (240) 236-1600 |
| St John Catholic School 114 E 2nd St, Frederick 21701 | (301) 662-6722 |
| St John's Literary Institution 889 Butterfly Ln, Frederick 21703 | (301) 662-4418 |
| Trinity School Of Frederick 6040 New Design Rd, Frederick 21703 | (301) 228-2333 |
| Tuscarora Elementary School 6321 Lambert Ct, Frederick 21703 | (240) 566-0000 |
| Urbana Elementary School 3554 Urbana Pike, Frederick 21704 | (240) 236-2200 |
| Visitation Academy 200 E 2nd St, Frederick 21701 | (301) 662-2814 |
| Visitation Convent 200 E 2nd St, Frederick 21701 | (301) 662-3322 |
| Waverly Elementary School 201 Waverley Dr, Frederick 21702 | (240) 236-3900 |
| West Frederick Middle School 515 W Patrick St, Frederick 21701 | (240) 236-4000 |
| Whittier Elementary School 2400 Whittier Dr, Frederick 21702 | (240) 236-3100 |
| Yellow Springs Elementary Schl 8717 Yellow Springs Rd, Frederick 21702 | (240) 236-1700 |