Centennial High
🇺🇸 Official data · 2025Ellicott City, Maryland 21042 · Howard County Public Schools
#8 of 197 high schools in Maryland
#1001 of 16,910 nationally
About Centennial High
Centennial High is a public high located in Ellicott City, in the Howard County Public Schools school district of Maryland, United States. It caters for Grades 9–12. In 2025 it enrolled 1,377 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 81.9 out of 100, placing it in the top 10% of high schools in United States and 8th of 197 ranked high schools in Maryland. Its strongest component is community advantage (fewer free/reduced-price lunch) (93th percentile), and its weakest is students per teacher (34th percentile).
Other published figures: enrollment 1,377.
There are 20 schools in Ellicott City; Centennial High ranks 9th of 20 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)84%
- Reading proficiency (30%)80%
- Community advantage (fewer free/reduced-price lunch) (25%)18.5%
- Students per teacher (15%)17.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Centennial High by the official sources.
- Enrollment
- 1,377
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 18.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 17.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 80%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 84%
- Share of tested students proficient or above (all students, all grades).
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Schools near Centennial High
Closest schools by straight-line distance, with their Success Index (US).
Burleigh Manor Middle
Ellicott City · Public middle · Grades 6–8
777 students · 266 m away
Centennial Lane Elementary
Ellicott City · Public elementary · Grades PK–5
749 students · 1.6 km away
Running Brook Elementary
Columbia · Public elementary · Grades PK–5
407 students · 2.8 km away
Longfellow Elementary
Columbia · Public elementary · Grades PK–5
446 students · 3.2 km away
Dunloggin Middle
Ellicott City · Public middle · Grades 6–8
623 students · 3.2 km away
Northfield Elementary
Ellicott City · Public elementary · Grades K–5
764 students · 3.3 km away
Bryant Woods Elementary
Columbia · Public elementary · Grades PK–5
366 students · 3.5 km away
Harpers Choice Middle
Columbia · Public middle · Grades 6–8
471 students · 3.6 km away
Thunder Hill Elementary
Columbia · Public elementary · Grades K–5
459 students · 4.0 km away
Wilde Lake High
Columbia · Public high · Grades 9–12
1,197 students · 4.0 km away
Similar schools
Public high schools in Maryland with a comparable Enrollment.
River Hill High
Clarksville · Public high · Grades 9–12
1,383 students
Patapsco High and Center for Arts
Baltimore · Public high · Grades 9–12
1,385 students
Northeast High
Pasadena · Public high · Grades 9–12
1,387 students
Damascus High
Damascus · Public high · Grades 9–12
1,390 students
Glenelg High
Glenelg · Public high · Grades 9–12
1,363 students
Aberdeen High
Aberdeen · Public high · Grades 9–12
1,396 students
Frequently asked questions
Is Centennial High a good school?
Centennial High has a Success Index (US) of 81.9 out of 100 (Top 10% of high schools in United States) and ranks #8 of 197 in Maryland. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Centennial High rank in Maryland?
Centennial High ranks #8 of 197 high schools in Maryland and #1001 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Centennial High?
Centennial High had 1,377 students in 2025.
Is Centennial High a elementary school or a high school?
Centennial High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Centennial High?
There are 10 schools within 15 km of Centennial High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.