Centennial High
Public
High Grades 9–12
Part of Howard County Public Schools
4300 Centennial Ln, Ellicott City, MD 21042 · (410) 313-2856
Community ratings
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Academic performance
Math proficiency88%
State average 19.3%
Reading / language arts90%
State average 35.5%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,377Students enrolled
17:1Student–teacher ratio
19%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9356
Grade 10362
Grade 11350
Grade 12309
Students
Asian · 40%547
White · 33%455
Black · 13%185
Hispanic · 8%107
Two or more races · 5%74
American Indian/Alaska Native · 0%3
Native Hawaiian/Pacific Islander · 0%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,467’20
1,377’21
1,392’22
1,364’23
1,377’24
Location
4300 Centennial Ln Ellicott City
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.