There is a county board of education for each county school system.
Structure Maryland Statutes
Division II - Elementary and Secondary Education
Title 3 - Establishment of County Boards of Education
Subtitle 1 - General Provisions
Section 3-101 - Baltimore City Included in Title 3
Section 3-102 - Geographical Boundaries
Section 3-103 - County Boards Established
Section 3-104 - County Board Is a Corporate Body; General Powers