For the 2025 school year, there are 13 public schools serving 9,426 students in 21042, MD (there are , serving 1,724 private students). 85% of all K-12 students in 21042, MD are educated in public schools (compared to the MD state average of 86%).
The top ranked public schools in 21042, MD are Centennial High School, Mount Hebron High School and Waverly Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 21042 have an average math proficiency score of 63% (versus the Maryland public school average of 27%), and reading proficiency score of 74% (versus the 45% statewide average). Schools in 21042, MD have an average ranking of 10/10, which is in the top 5% of Maryland public schools.
Minority enrollment is 64% of the student body (majority Asian), which is less than the Maryland public school average of 68% (majority Black).
Best 21042, MD Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Centennial High School
(Math: 77% | 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: 71% | 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.
Waverly Elementary School
(Math: 73% | Reading: 75%)
Rank:
Rank:
10/
Top 5%10
10220 Wetherburn Rd
Ellicott City, MD 21042
(410) 313-2819
Ellicott City, MD 21042
(410) 313-2819
Grades: PK-5
| 868 students
Rank: #44.
Folly Quarter Middle School
(Math: 63% | Reading: 84%)
Rank:
Rank:
10/
Top 5%10
13500 Triadelphia Rd
Ellicott City, MD 21042
(410) 313-1506
Ellicott City, MD 21042
(410) 313-1506
Grades: 6-8
| 683 students
Rank: #55.
Manor Woods Elementary School
(Math: 67% | Reading: 76%)
Rank:
Rank:
10/
Top 5%10
11575 Frederick Rd
Ellicott City, MD 21042
(410) 313-7165
Ellicott City, MD 21042
(410) 313-7165
Grades: K-5
| 675 students
Rank: #66.
Triadelphia Ridge Elementary School
(Math: 71% | Reading: 71%)
Rank:
Rank:
10/
Top 10%10
13400 Triadelphia Rd
Ellicott City, MD 21042
(410) 313-2560
Ellicott City, MD 21042
(410) 313-2560
Grades: PK-5
| 625 students
Rank: #77.
Centennial Lane Elementary School
(Math: 66% | Reading: 72%)
Rank:
Rank:
10/
Top 10%10
3825 Centennial Ln
Ellicott City, MD 21042
(410) 313-2800
Ellicott City, MD 21042
(410) 313-2800
Grades: PK-5
| 742 students
Rank: #88.
Burleigh Manor Middle School
(Math: 63% | Reading: 73%)
Rank:
Rank:
10/
Top 10%10
4200 Centennial Lane
Ellicott City, MD 21042
(410) 313-2507
Ellicott City, MD 21042
(410) 313-2507
Grades: 6-8
| 776 students
Rank: #99.
Northfield Elementary School
(Math: 63% | Reading: 72%)
Rank:
Rank:
10/
Top 10%10
9125 Northfield Rd
Ellicott City, MD 21042
(410) 313-2806
Ellicott City, MD 21042
(410) 313-2806
Grades: K-5
| 749 students
Rank: #1010.
St. Johns Lane Elementary School
(Math: 59% | Reading: 67%)
Rank:
Rank:
9/
Top 20%10
2960 Saint Johns Ln
Ellicott City, MD 21042
(410) 313-2813
Ellicott City, MD 21042
(410) 313-2813
Grades: K-5
| 657 students
Rank: #1111.
Dunloggin Middle School
(Math: 43% | Reading: 58%)
Rank:
Rank:
8/
Top 30%10
9129 Northfield Rd
Ellicott City, MD 21042
(410) 313-2831
Ellicott City, MD 21042
(410) 313-2831
Grades: 6-8
| 638 students
Rank: #1212.
Homewood School
Alternative School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
6/
Top 50%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 schools in 21042, MD?
The top ranked public schools in 21042, MD include Centennial High School, Mount Hebron High School and Waverly Elementary School.
How many public schools are located in 21042?
13 public schools are located in 21042.
What percentage of students in 21042 go to public school?
85% of all K-12 students in 21042 are educated in public schools (compared to the MD state average of 86%).
What is the racial composition of students in 21042?
21042 public schools minority enrollment is 64% of the student body (majority Asian), which is less than the Maryland public schools average of 68% (majority Black).
Recent Articles

The 15 Biggest Failures of the American Public Education System
The world is in a constant state of change and those who fail to adjust fall behind. Unfortunately, the American public education system has not kept up with the times and is currently facing a number of serious problems. Keep reading to learn about the biggest failures affecting the modern U.S. public education system as well as some of the trends that could spark change.

Florida Governor Calls for More Funding for State鈥檚 Public School System
Florida Governor Rick Scott has introduced a state budget for next year that pumps one billion more dollars into the public school system. We鈥檒l look at his reasons for the increase and the responses to the proposal.

Can Your Child鈥檚 School Meet the National Standards?
The article discusses the challenges public schools face in meeting national educational standards. It examines current performance trends, identifies key issues affecting student achievement, and explores potential solutions for improving academic outcomes across U.S. public schools.