| Business | Phone |
| Watertown Christian School 202 2nd St Se, Watertown 57201 | (605) 882-0949 |
| Watertown Middle School 601 11th St Ne, Watertown 57201 | (605) 882-6370 |
| Watertown Public Schools Supt 200 9th St Ne, Watertown 57201 | (605) 882-6312 |
| Watertown School Dist 14-4 200 9th St Ne, Watertown 57201 | (605) 882-6313 |
| Watertown Senior High School 200 9th St Ne, Watertown 57201 | (605) 882-6316 |
| Trinity Lutheran School 1715 1st Ave Se, Watertown 57201 | (605) 882-3224 |
| St Martin's Lutheran School 1200 2nd St Ne, Watertown 57201 | (605) 886-4976 |
| Roosevelt Elementary School 412 2nd St Se, Watertown 57201 | (605) 882-6360 |
| Great Plains Lutheran Hs 1200 Luther Ln Ne, Watertown 57201 | (605) 886-0672 |
| Nova School 2001 9th Ave Sw, Watertown 57201 | (605) 882-5259 |
| Holy Name Chr Schl/Parish Ctr 435 10th St Nw, Watertown 57201 | (605) 886-3368 |
| Immaculate Conception School 103 3rd St Se, Watertown 57201 | (605) 886-3883 |
| Jefferson Elementary School 1701 N Maple, Watertown 57201 | (605) 882-6390 |
| Mc Kinley Elementary School 5 12th St Sw, Watertown 57201 | (605) 882-6350 |
| Mellette Elementary School 619 2nd St Nw, Watertown 57201 | (605) 882-6385 |
| Lincoln Elementary School 1100 13th St Ne, Watertown 57201 | (605) 882-6340 |
| Lake Area Multi-Dist School 1311 3rd Ave Ne, Watertown 57201 | (605) 882-6380 |