Schools in Colby, Wisconsin, the US. Schools locations in Colby, Wisconsin. Find the nearest schools locations, near you. All types of business services Accounting ATM Finance Funeral home School All schools in Colby Colby High School School +1 715-223-2338 705 North 2nd Street, Colby, Wisconsin 54421 Write a review Phone Website Directions St Mary's Catholic School School +1 715-223-3033 209 South 2nd Street, Colby, Wisconsin 54421 Write a review Phone Website Directions