| Business | Phone |
| Washington School 223 Hamilton St, Harrison 7029 | (973) 483-2285 |
| Harrison Board Of Education 1 N 5th St, Harrison 7029 | (973) 483-2055 |
| Harrison High School 1 N 5th St, Harrison 7029 | (973) 482-5050 |
| Harrison Public School 430 William St, Harrison 7029 | (973) 483-4244 |
| Harrison School Closing Harrison 7029 | (973) 484-3860 |
| Harrison School District 430 William St, Harrison 7029 | (973) 483-4627 |
| Harrison Town Board Of Ed 620 Frank E Rodgers Blvd N, Harrison 7029 | (973) 268-7821 |
| Holy Cross School 15 S 4th St, Harrison 7029 | (973) 481-0340 |
| Lincoln Elementary School 3 430 William St, Harrison 7029 | (973) 483-6400 |
| Lincoln School Annex 15 Frank E Rodgers Blvd N, Harrison 7029 | (973) 485-1323 |