Harmony Hills ES www.montgomeryschoolsmd.org/schools/harmonyhillses/ 13407 Lydia Street Silver Spring, MD 20906 39.07601 -77.077181 Harmony Hills ES13407 Lydia StreetSilver Spring,MD 20906 Bus Routes Phone: 240-740-0780 Fax: 301-962-5976 Dr. Carole E. Rawlison, Principal Elementary Staff Directory