For the 2025 school year, there are 4 public high schools serving 3,013 students in 21042, MD.
The top ranked public high schools in 21042, MD are Centennial High School, Mount Hebron High School and Homewood School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 21042 have an average math proficiency score of 72% (versus the Maryland public high school average of 32%), and reading proficiency score of 86% (versus the 56% statewide average). High schools in 21042, MD have an average ranking of 10/10, which is in the top 5% of Maryland public high schools.
Public high school in zipcode 21042 have a Graduation Rate of 96%, which is more than the Maryland average of 87%.
The school with highest graduation rate is Centennial High School, with 98% graduation rate. Read more about public school graduation rate statistics in Maryland or national school graduation rate statistics.
Minority enrollment is 64% of the student body (majority Asian), which is less than the Maryland public high school average of 68% (majority Black).
Best 21042, MD Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Centennial High School
(Math: 75% | Reading: 88%)
Rank:
Rank:
10/
Top 1%10
4300 Centennial Ln
Ellicott City, MD 21042
(410) 313-2856
Ellicott City, MD 21042
(410) 313-2856
Grades: 9-12
| 1,364 students
Rank: #22.
Mount Hebron High School
(Math: 69% | Reading: 85%)
Rank:
Rank:
10/
Top 5%10
9440 Old Frederick Road
Ellicott City, MD 21042
(410) 313-2880
Ellicott City, MD 21042
(410) 313-2880
Grades: 9-12
| 1,518 students
Rank: #33.
Homewood School
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
10914 Clarksville Pike
Ellicott City, MD 21042
(410) 313-7081
Ellicott City, MD 21042
(410) 313-7081
Grades: 6-12
| 131 students
Rank: n/an/a
Applications And Research Laboratory
Alternative School
10920 Clarksville Pike
Ellicott City, MD 21042
(410) 313-6698
Ellicott City, MD 21042
(410) 313-6698
Grades: 9-12
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in 21042, MD?
The top ranked public high schools in 21042, MD include Centennial High School, Mount Hebron High School and Homewood School.
How many public high schools are located in 21042?
4 public high schools are located in 21042.
What is the racial composition of students in 21042?
21042 public high schools minority enrollment is 64% of the student body (majority Asian), which is less than the Maryland public high schools average of 68% (majority Black).
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