Schools in Boulder, Montana, the US. Schools locations in Boulder, Montana. Find the nearest schools locations, near you. All types of business services Accounting ATM Bank Finance Real estate School All schools in Boulder Boulder Elementary School School +1 406-225-3316 Boulder, Boulder, Montana 59632 Write a review Phone Website Directions Boulder Grade School School +1 406-225-3316 205 Washington Street, Boulder, Montana 59632 Write a review Phone Website Directions Jefferson High School School +1 406-225-3317 312 South Main Street, Boulder, Montana 59632 Write a review Phone Website Directions Riverside Youth Correctional School +1 406-225-4500 2 Riverside Road, Boulder, Montana 59632 Write a review Phone Website Directions