Kelton School: Monolithic Dome Classrooms Fill Quickly Kelton ISD — The Kelton community, including parents, teachers and administrators wanted a structure that provided security, disaster resistance and affordable energy. Aerial View — Kelton ISD tarted in 1904 with one teacher for all grades, Kelton now has 158 students and a beautiful, 100′ × 34′ Monolithic Dome for Grades 4 through 12. A Good Fit — Architect Bert Moffitt of Grimes & Associates designed the dome to connect and fit well with Kelton’s boxy structures. Lower Level — It includes six, semi-rectangular classrooms and a library. South Industries, Inc. of Menan, Idaho constructed the dome shell in just 80 days. Upper Level — It includes six, roomy, pie-shaped classrooms. The dome has an all-electric, energy-management heating/cooling system set at 70 F. Teachers can leave their thermostats at 70 F or reset them to 2 degrees below or above 70 F.