| Business | Phone |
| Big Lake Adult Basic Education 701 Minnesota Ave, Big Lake 55309 | (763) 262-2523 |
| Big Lake Elementary School 701 Minnesota Ave, Big Lake 55309 | (763) 262-2537 |
| Big Lake High School 501 Minnesota Ave, Big Lake 55309 | (763) 262-2547 |
| Big Lake Middle School 601 Minnesota Ave, Big Lake 55309 | (763) 262-2567 |
| Big Lake School District Ofc 501 Minnesota Ave, Big Lake 55309 | (763) 262-2536 |
| Liberty Elementary School 17901 205th Ave, Big Lake 55309 | (763) 262-8100 |