| Business | Phone |
| Arrowhead Regional Computing 5 W 1st St # 300, Duluth 55802 | (218) 723-1700 |
| Bay View Elementary 8708 Vinland St, Duluth 55810 | (218) 628-4949 |
| Central Community School 800 E Central Entrance, Duluth 55811 | (218) 733-2171 |
| Central High School 800 E Central Entrance, Duluth 55811 | (218) 733-2130 |
| Chester Creek Academy 714 1/2 W College St, Duluth 55811 | (218) 728-5722 |
| Chester Park Elementary School 31 W College St, Duluth 55812 | (218) 728-7411 |
| Chester Park Head Start 31 W College St, Duluth 55812 | (218) 728-7449 |
| Congdon Park Elementary School 3116 E Superior St, Duluth 55812 | (218) 336-8825 |
| Duluth Administrative Offices 215 N 1st Ave E, Duluth 55802 | (218) 723-4150 |
| Duluth Public Schools 215 N 1st Ave E, Duluth 55802 | (218) 336-8700 |
| East High School 2900 E 4th St, Duluth 55812 | (218) 728-7426 |
| Edison Charter School 1750 Kenwood Ave, Duluth 55811 | (218) 728-0800 |
| Edison Junior Academy 201 W Saint Andrews St, Duluth 55803 | (218) 724-1364 |
| Edison Kenwood Elementary Schl 1750 Kenwood Ave, Duluth 55811 | (218) 728-9556 |
| Grant Elementary School 1027 N 8th Ave E, Duluth 55805 | (218) 733-2156 |
| Harbor City Intl Schl 332 W Michigan St # 300, Duluth 55802 | (218) 722-7574 |
| Head Start 2102 N Blackman Ave, Duluth 55811 | (218) 733-2084 |
| Holy Rosary School 2802 E 4th St, Duluth 55812 | (218) 724-8565 |
| Homecroft Elementary School 4784 Howard Gnesen Rd, Duluth 55803 | (218) 728-7446 |
| Lake Superior High School 5215 Rice Lake Rd, Duluth 55803 | (218) 529-2468 |
| Lakeview Christian Academy 155 W Central Entrance, Duluth 55811 | (218) 723-8844 |
| Laura Mac Arthur Elementary 727 N Central Ave, Duluth 55807 | (218) 628-4881 |
| Laura Macarthur Head Start 727 N Central Ave, Duluth 55807 | (218) 628-4893 |
| Lester Park Elementary School 315 N 54th Ave E, Duluth 55804 | (218) 525-0804 |
| Lincoln Head Start 2427 W 4th St, Duluth 55806 | (218) 733-2057 |
| Lincoln Park Elementary School 2424 W 5th St, Duluth 55806 | (218) 336-8880 |
| Lincoln Park School 2424 W 5th St, Duluth 55806 | (218) 733-2046 |
| Lowell Magnet School 2000 Rice Lake Rd, Duluth 55811 | (218) 733-2164 |
| Mac Arthur Community Educ Ofc 725 N Central Ave, Duluth 55807 | (218) 628-4892 |
| Merritt Day Treatment Program 4000 W 9th St, Duluth 55807 | (218) 625-2669 |
| Merritt School 510 N 40th Ave W, Duluth 55807 | (218) 628-1041 |
| Minnesota Sea Grant Extension 2305 E 5th St, Duluth 55812 | (218) 726-8106 |
| Montessori School 313 Mygatt Ave, Duluth 55803 | (218) 728-4600 |
| Morgan Park Middle School 1243 88th Ave W, Duluth 55808 | (218) 626-4512 |
| Nettleton Elementary School 108 E 6th St, Duluth 55805 | (218) 733-2172 |
| Nettleton Head Start 108 E 6th St, Duluth 55805 | (218) 733-2182 |
| Northshore Community School 5926 Ryan Rd, Duluth 55804 | (218) 525-0663 |
| Ordean Middle School 301 N 40th Ave E, Duluth 55804 | (218) 525-0810 |
| Piedmont Elementary School 2827 Chambersburg Ave, Duluth 55811 | (218) 733-2184 |
| Pike Lake Elementary School 5682 Martin Rd, Duluth 55811 | (218) 729-8214 |
| Proctor Public Schools-Isd 131 9th Ave, Duluth 55810 | (218) 628-4934 |
| Prospect Farms 2027 Shilhon Rd, Duluth 55804 | (218) 525-7674 |
| Raleigh Edison Prmry & Elmntry 5905 Raleigh St, Duluth 55807 | (218) 628-0697 |
| Rockridge Elementary School 4849 Ivanhoe St, Duluth 55804 | (218) 525-0821 |
| Secondary Technical Ctr 730 E Central Entrance, Duluth 55811 | (218) 733-2067 |
| St James Parochial School 715 N 57th Ave W, Duluth 55807 | (218) 624-1511 |
| St John's School 1 W Chisholm St, Duluth 55803 | (218) 724-9392 |
| St Michaels School 4628 Pitt St, Duluth 55804 | (218) 525-1931 |
| St Rose Catholic Church 2 6th Ave, Duluth 55810 | (218) 624-7029 |
| Stone Ridge Christian School 115 E Orange St, Duluth 55811 | (218) 722-7535 |
| Stowe Elementary School 715 101st Ave W, Duluth 55808 | (218) 626-4500 |
| Stowe Head Start 715 101st Ave W, Duluth 55808 | (218) 626-4509 |
| Summit School 1600 N 8th Ave E, Duluth 55805 | (218) 724-3133 |
| Unity High School 215 N 1st Ave E, Duluth 55802 | (218) 336-8756 |
| Washburn Edison School 201 W Saint Andrews St, Duluth 55803 | (218) 723-2345 |
| Woodland Community School 201 Clover St, Duluth 55812 | (218) 728-7463 |
| Woodland Hills 4321 Allendale Ave, Duluth 55803 | (218) 728-7500 |