About Us

Robert Motley

Robert Motley Principal Robert_Motley@hcpss.org
Robert A. Motley enters his eleventh year as principal and his second year at Glenwood Middle School. He began his educational career as a French teacher twenty years ago and has taught at both the middle and high school levels. His administrative career includes assistant principal at Howard and Centennial High Schools and principal at Patuxent Valley Middle School. In 2006, Mr. Motley was recognized as the Maryland State Assistant Principal of the Year by the Maryland Association of Secondary School Principals (MASSP). His undergraduate degree was earned at the University of Maryland-College Park in French Language and Foreign Language Secondary Education. His Master's degree was earned at The George Washington University in Elementary and Secondary Educational Administration and Supervision. He is currently seeking his Ph.D. in Instructional Leadership at Notre Dame Maryland University. Just recently, Mr. Motley was appointed to a four-year term on the Board of Directors of the National Association of Secondary School Principals. NASSP is the leading organization of and national voice for middle level and high school principals, assistant principals, and all school leaders from across the United States and 35 countries. As a member of the NASSP Board of Directors, he will participate in shaping the organization's federal education policy agenda that advocates for the needs of secondary schools and their students. He will also travel to Washington, D.C., periodically to meet with fellow board members and with national figures and federal education policymakers. Most importantly, Mr. Motley strongly believes in fostering positive relationships with students, parents and staff. He is an ardent proponent of elevating student voice and making school a place where all students are successful.

Debbie O'Byrne

Debbie O'Byrne Assistant Principal debra_o'byrne@hcpss.org
Debra L. O'Byrne is in her seventh year as Assistant Principal of Glenwood Middle School and thirteenth year as an Assistant Principal. She began her educational career teaching elementary education and transitioned to middle school where she taught science. During her tenure as a teacher she was awarded Outstanding Teacher of the Year. Her undergraduate degree is from Kutztown University of Pennsylvania in Elementary/Art Education. In addition, she earned a Master's degree in Administration and Supervision from Johns Hopkins University and a Certificate of Advanced Studies in Instructional Leadership from Notre Dame Maryland University. As a child-centered leader, Ms. O'Byrne always believes in making decisions with the child's best interest first. She is a strong believer in establishing positive relationships, building individual strengths and having solid collaboration between school and home.

School Overview


Glenwood Middle School is committed to promote academic excellence within a safe and nurturing environment that ensures all students will have opportunities to develop the skills for college and career readiness to compete and succeed in the global environment of the 21st Century.


The mission of Glenwood Middle School is to continuously improve the quality of teaching and learning. We are committed to mutual respect, responsibility and preparedness through open communication between students, parents and staff. Through implementation of rigorous curriculum with high expectations for student performance, students will demonstrate learning behaviors and achievements that demonstrate their preparation for college and career success.

Fire Restoration Report

Environmental Reports

All spore sampling reports are now located on the Indoor Environmental Quality page.

Board of Education Representative

Howard County public schools are divided into school clusters, which are assigned to individual Board members to facilitate school visitations, attend special events, and provide a point of contact for each school community. View all BOE school cluster assignments.

GMS BOE Representative: Kirsten Coombs