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Howard County Public Schools
Centennial High

Howard County Public Schools

Centennial High

Ellicott City, Maryland

1,392 students

High School, Grades 9–12

(410)313-2856School Website

1,392

Students

16.6:1

S:T Ratio

School Snapshot
Key metrics at a glance
AP Courses

36

A+

courses offered
Excellent
AP Enrollment

57%

B

of students
Excellent
Student-Teacher Ratio

17:1

B

students per teacher
Average
This Week at Centennial High – April 20, 2026

190 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

Start practicing →
English

0

students

Start practicing →
Science

0

students

Start practicing →
Explore practice resources for Centennial High students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Centennial High

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

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ACT Prep

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1:1 Tutoring

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Live Classes

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Practice Hub

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School Details
Address

4300 Centennial Ln, Ellicott City, MD 21042

Phone

(410)313-2856

Website

Visit Website

District

Howard County Public Schools

Academic Calendar
2025-2026

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Other Schools in District
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