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Centennial High
A+

Centennial High

PublicHighGrades 9–12

4300 Centennial Ln, Ellicott City, MD 21042 · (410) 313-2856 · Part of Howard County Public Schools

Ellicott City’s School Grade A better than 88% of Maryland school districts

Directions
Photo: G. Edward Johnson · CC BY 4.0 · Wikimedia Commons
Students
1,377
Students per teacher
17:1
Free or reduced lunch
19%
Setting
Suburb
Grades
9–12
The gist

What stands out about Centennial High

  • Its own letter, A+: reading and math results near the top of Maryland’s public schools
  • Math proficiency 69 pts above the state
  • Reading / language arts 55 pts above the state

On the path

Where Ellicott City kids come from and go next. The whole path →

6–84 middle schoolsDepends on your address
9–12Centennial HighYou are here

Test scores

2020–21
Math proficiency88%
State average 19.3%
Reading / language arts90%
State average 35.5%

Its own letter, A+, places these results among Maryland’s 1,321 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

4300 Centennial Ln, Ellicott City

Students

Enrollment by grade
Grade 9356
Grade 10362
Grade 11350
Grade 12309
Enrollment over time
1,467’20
1,377’21
1,392’22
1,364’23
1,377’24

Down 6.1% since 2020–21.

Who goes here
Asian 40%White 33%Black 13%Hispanic 8%Two or more races 5%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Centennial High from Ellicott City families.

Other schools in Howard County Public Schools

The district →
Veterans Elementary
Elementary · Grades PK–5 · Ellicott City
A−
883 students13:1
Hanover Hills Elementary
Elementary · Grades PK–5 · Hanover
B−
875 students12:1
Fulton Elementary
Elementary · Grades PK–5 · Fulton
A
872 students15:1
Pointers Run Elementary
Elementary · Grades PK–5 · Clarksville
A
835 students14:1
Waverly Elementary
Elementary · Grades PK–5 · Ellicott City
A
827 students13:1
Bellows Spring Elementary
Elementary · Grades PK–5 · Ellicott City
B+
806 students13:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Maryland’s other public schools; Ellicott City’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.