| Rank | School District | Percentage of Residents Living In Multi-Unit Buildings | 
                            
                                
                                    | 1 | Baltimore City Public Schools, Maryland | 33.1% | 
                            
                                
                                    | 2 | Montgomery County Public Schools, Maryland | 32.7% | 
                            
                                
                                    | 3 | Prince George's County Public Schools, Maryland | 32.0% | 
                            
                                
                                    | 4 | Baltimore County Public Schools, Maryland | 27.6% | 
                            
                                
                                    | 5 | Howard County Public Schools, Maryland | 24.1% | 
                            
                                
                                    | 6 | Washington County Public Schools, Maryland | 19.5% | 
                            
                                
                                    | 7 | Wicomico County Public Schools, Maryland | 19.4% | 
                            
                                
                                    | 8 | Allegany County Public Schools, Maryland | 17.6% | 
                            
                                
                                    | 9 | Anne Arundel County Public Schools, Maryland | 16.6% | 
                            
                                
                                    | 10 | Frederick County Public Schools, Maryland | 15.9% | 
                            
                                
                                    | 11 | Dorchester County Public Schools, Maryland | 14.9% | 
                            
                                
                                    | 12 | Harford County Public Schools, Maryland | 14.0% | 
                            
                                
                                    | 13 | Cecil County Public Schools, Maryland | 13.9% | 
                            
                                
                                    | 14 | Talbot County Public Schools, Maryland | 12.5% | 
                            
                                
                                    | 15 | St. Marys County Public Schools, Maryland | 12.2% | 
                            
                                
                                    | 16 | Worcester County Public Schools, Maryland | 11.7% | 
                            
                                
                                    | 17 | Carroll County Public Schools, Maryland | 10.8% | 
                            
                                
                                    | 18 | Charles County Public Schools, Maryland | 9.4% | 
                            
                                
                                    | 19 | Garrett County Public Schools, Maryland | 9.3% | 
                            
                                
                                    | 20 | Caroline County Public Schools, Maryland | 8.7% | 
                            
                                
                                    | 21 | Queen Annes County Public Schools, Maryland | 6.8% | 
                            
                                
                                    | 22 | Calvert County Public Schools, Maryland | 5.9% |