About Us The Core Purpose of Geraldine K-12 Schools: To provide a quality education and prepare our students for success in life while honoring and embracing our rural, agricultural community standards and quality of life. Contact Us Phone: (406) 737-4371Fax: (406) 737-4478Email: secretary@geraldine.k12.mt.usregistrar@geraldine.k12.mt.usMr. Clark: cclark@geraldine.k12.mt.us