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Centennial High

Ellicott City, Maryland · Grades 9 to 12 · Howard County Public Schools

Public school

About Centennial High

Centennial High is a public school in Ellicott City, Maryland, serving grades 9 through 12. Enrollment was 1,377 in the 2024-25 school year. There are about 17 students for every full-time-equivalent teacher (81 teachers in all). It is one of 78 schools in Howard County Public Schools. Within 5 miles there are 56 other schools, so families have nearby options to compare. Federal locale data places it in a suburb of a large metro area, in Howard County.

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School facts

Address	4300 Centennial Ln, Ellicott City, MD 21042
Phone	(410) 313-2856
School district	Howard County Public Schools
Grades	9 to 12
Students (2024-25)	1,377
Teachers (full-time equivalent, 2024-25)	81
Students per teacher	17
Charter school	No
School type	Regular
Level	High
Locale (NCES)	Suburb, large, Howard County

Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 240042000722). Details may have changed since the survey. Schools can update them by claiming this profile.

Nearby schools

Burleigh Manor MiddlePublic · Grades 6 to 8Ellicott City · 0.2 mi Centennial Lane ElementaryPublic · Grades PreK to 5Ellicott City · 1 mi Homewood SchoolPublic · Grades 6 to 12Ellicott City · 1.6 mi Running Brook ElementaryPublic · Grades PreK to 5Columbia, MD · 1.8 mi Applications and Research LaboratoryPublic · Grades 9 to 12Ellicott City · 1.8 mi Longfellow ElementaryPublic · Grades PreK to 5Columbia, MD · 2 mi Dunloggin MiddlePublic · Grades 6 to 8Ellicott City · 2 mi Northfield ElementaryPublic · Grades K to 5Ellicott City · 2.1 mi

The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.

Frequently asked questions

What grades does Centennial High serve?

Centennial High serves grades 9 through 12.

How many students attend Centennial High?

Centennial High reported 1,377 students in 2024-25, according to the NCES Common Core of Data.

What is the student-teacher ratio at Centennial High?

About 17 students per full-time-equivalent teacher, based on 1,377 students and 81 teachers in federal data.

Is Centennial High a public or charter school?

Centennial High is a traditional public (non-charter) school.

What school district is Centennial High in?

Centennial High is part of Howard County Public Schools. See all schools in this district at https://parentschoolreview.com/districts/md/howard-county-public-schools/

Where is Centennial High located?

Centennial High is at 4300 Centennial Ln, Ellicott City, MD 21042. The phone number is (410) 313-2856.

How many other schools are near Centennial High?

There are 56 other schools within 5 miles of Centennial High in our directory.