Centennial High is a public high school in Ellicott City, Howard County, Maryland. The campus is operated by Howard County Public Schools. Serving students in 9-12, the school enrolls approximately 1,377 students with 81.0 full-time equivalent teachers, maintaining a student-teacher ratio of 17.0:1 according to federal National Center for Education Statistics (NCES) records for the 2024-2025 school year.
School Information
NCES 2024-2025
Grades Offered
9-12
School Level
High School
School Type
Regular School
Locale Setting
Suburb: Large
Charter School
No
Operational Status
Open
NCES School ID
240042000722
State Identifier
MD-13-130214
County FIPS
24027
Physical Location Address
4300 Centennial Ln
Ellicott City, MD 21042-6214
Ellicott City, MD 21042-6214
School District
Parent District
Howard County Public Schools
Operating Schools
78 schools
District Type
Regular Public School District
Central Office
Ellicott City, MD
Location Map
39.253, -76.8686
Google Maps ›
Nearby Public Schools
Burleigh Manor Middle
0.2 mi
Middle • Ellicott City
Centennial Lane Elementary
1 mi
Elementary • Ellicott City
Homewood School
1.6 mi
High • Ellicott City
Running Brook Elementary
1.8 mi
Elementary • Columbia
Applications and Research Laboratory
1.8 mi
High • Ellicott City