Centennial High School

Centennial High School

Public High School | Grade 9-12
4300 Centennial Ln,  Ellicott City, MD
Howard County Public Schools
3.7
3.5
1,364 Students
A+
Niche Grade

School Details

Student Teacher Ratio
16:1
Average SAT Score
1370
Average ACT Score
30
Math Proficiency
43%
Reading Proficiency
86%
Average GPA
3.63
Graduation Rate
98%

Niche Grade

A+
Academics
A
Teachers
A+
College Prep
A
Administration
B-
Resources/Facilities
A-
Clubs and Activities
B+
Sports
C
Food
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.63
Reading Proficiency
86%
Math Proficiency
43%
Teachers
Student Teacher Ratio
16:1
Teachers
86
Full Time Teachers
86
Teachers in First or Second Year
5.7%
College Prep
Average SAT
1370
Math
690
Verbal
670
Average ACT
30
Math
29
English
30
Reading
31
Science
29
Number of AP Courses
36
AP Pass Rate
86.9%
AP Math Enrollment
Very High
AP Science Enrollment
Very High
Other AP Enrollment
Very Low
Clubs and Activities
Girls Athletic Participation
Average
Boys Athletic Participation
Average

GreatSchools Rating

Source: GreatSchools
GreatSchools Rating
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology

GreatSchools Rating Details

Test Scores

Science
5.3%
State Average
24.4%
GreatSchools Test Scores Rating
GreatSchools
The Test Score Rating reflects annual state test results for this school compared with scores statewide.

Teachers and Staff

Students Per Counselor
293:1

Student Diversity

Male
51.1%
Female
48.6%
Asian or Pacific Islander
39.7%
White
33%
Black
13.4%
Hispanic
7.8%
Two or more races
5.4%
Native American
<1%
Native Hawaiian or Other Pacific Islander
<1%

School Rankings

#8 Best College Prep Public HS in Maryland
#9 Best Public HS in Maryland
#17 Best HS For Stem in Maryland
Source: Niche

Specialty School Programs

AP Programs Offered
IB Programs Offered
Free/Reduced Lunch Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
University of Maryland - College Park 704 Students
University of Maryland, Baltimore County 309 Students
Towson University 307 Students
Penn State 174 Students
Johns Hopkins University 161 Students
New York University 156 Students
Carnegie Mellon University 130 Students
University of Pennsylvania 124 Students
Georgetown University 120 Students
University of Delaware 109 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Computer Science 195 Students
Biology 185 Students
Business 180 Students
Psychology 147 Students
Pre-Medicine Studies 80 Students
Economics 64 Students
Nursing 61 Students
Biochemistry and Molecular Biology 61 Students
Engineering 58 Students
Neuroscience and Neurobiology 56 Students

This School’s Reviews

Niche Reviews
3.7 326 Reviews
1.0 Junior
12/17/2025
Where do I even start? Centennial is extremely competitive which causes a lot of fake friendships and discrimination towards those seen as not "smart enough". Many students are blatantly racist despite being people of color themselves, and are very judgemental and unkind to others. Students also exhibit lots of fake kindness to our special needs students, which I find disrespectful and disgusting. As for the teachers, many teachers are verry supportive and great at their job. For the others, they go out of their way to inconvenience themselves in order to inconvenience their students. I don't know much about the admin, because they only pay attention to trouble makers or their top ranked students, no in between. The architecture of our school makes it extremely unsafe for us to be in, and we have a faulty HVAC system. Our building is very old and faulty, and smells really bad, as well as our bathrooms.There is much more to say about this school, but I have run out of characters.
5.0 Senior
9/11/2025
It's competitive academically, but it hasn't been renovated once since it was built. There's basically no windows in the building, the HVAC system doesn't work, and there are mice. Its only upside is that it's multipurpose since it was built in the Cold War and acts as a bomb shelter.
4.0 Senior
7/14/2025
It is a great school with high-achieving students. I highly recommend coming here. There are a lot of clubs and activities, and our sports teams are very talented and high-achieving. The culture can be toxic, and students often compete with one another, and there is a lot of gatekeeping culture as well.
GreatSchools Reviews
3.5 25 Reviews
5.0 student
9/6/2024
it is a great school, and I highly recommend it."
5.0 parent
11/9/2023
We are so blessed our children attend this school. The staff is wonderful and the students are academic and friendly!
5.0 parent
4/18/2023
Great school my boy love his school
5.0 parent
9/28/2022
Best school ever for kids and adults

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Centennial High School is a public school for students in grades 9-12 in Ellicott City, MD, in the Ellicott City neighborhood, and is served by the Howard County Public Schools in Maryland. Annual tuition is $0. The school has a total enrollment of 1,364 and maintains a student-teacher ratio of 16:1. Academic records show that 43% of students achieve proficiency in math, and 86% are proficient in reading. Centennial High School has received feedback and ratings, with a Niche grade of A+ and a GreatSchools Rating of 10 out of 10. The average GPA is 3.63, the graduation rate is 98%, and average standardized test scores include an SAT score of 1370 and an ACT score of 30. The average home value in this area is $792,046. Discover additional schools in the area, like Applications And Research Laboratory, Fusion Academy Columbia, Burleigh Manor Middle School, and more. Learn more about what Ellicott City has to offer, and browse homes for sale and for rent near Centennial High School.

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