TO'HAJIILEE, N.M. (AP) — A school tucked into the sandstone cliffs and juniper-dotted mesas of central New Mexico is fortified on one side by a wall of sandbags and an earthen berm. On the other side, melting snow puddles along the edges of classrooms.

Inside, caulking, paint and metal plates hide the cracks that have formed over decades in the block walls. With each rainstorm, the nearly century-old To'Hajiilee Community School on the fringes of the Navajo Nation sinks further into the ground.

The layers of bandages won't have to hold much longer. Residents of the small community off Intersta...