Serving 619 students in grades Prekindergarten-5, Triadelphia Ridge Elementary School ranks in the top 10% of all schools in Maryland for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 71% (which is higher than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 71% (which is higher than the Maryland state average of 45%).
The student-teacher ratio of 14:1 is equal to the Maryland state level of 14:1.
Minority enrollment is 62% of the student body (majority Asian), which is lower than the Maryland state average of 69% (majority Black and Hispanic).
Quick Facts (2026-27)
- Grades: Prekindergarten-5
- Enrollment: 619 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 62%
- Overall Testing Rank: Top 10% in MD
- Math Proficiency: 71% (Top 5%)
- Reading Proficiency: 71% (Top 10%)
- Science Proficiency: 60-64% (Top 10%)
- Attendance Zone: Triadelphia Ridge Elementary serves the northwest part of Ellicott City, MD, covering an area of approximately 16.6 square miles. Most families can expect a typical drive of 5 to 10 minutes to reach the school, with an average distance of 2.4 miles to the edge of the attendance zone and a maximum distance of 4.2 miles to its furthest point.
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
Top Rankings
Triadelphia Ridge Elementary School ranks among the top 20% of public schools in Maryland for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Triadelphia Ridge Elementary School's student population of 619 students has grown by 14% over five school years.
The teacher population of 45 teachers has grown by 9% over five school years.
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
619 students
Total Classroom Teachers
45 teachers
School Rankings
Triadelphia Ridge Elementary School ranks within the top 10% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Triadelphia Ridge Elementary School is 0.66, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#82 out of 1338 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
71%
27%
Reading/Language Arts Test Scores (% Proficient)
71%
45%
Science Test Scores (% Proficient)
60-64%
36%
Student-Teacher Ratio
14:1
14:1
American Indian
1%
n/a
Asian
44%
7%
Hispanic
4%
24%
Black
7%
32%
White
38%
31%
Two or more races
6%
6%
All Ethnic Groups
Chronically Absent Students
(22-23)8.6%
32.4%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
7%
46%
Eligible for Reduced Lunch
1%
5%
School Statewide Testing
School District Name
Sports
Colors
Blue and Green
School Mascot
Retrievers
Source: National Center for Education Statistics (NCES), MD Dept. of Education
Frequently Asked Questions
What is Triadelphia Ridge Elementary School's ranking?
Triadelphia Ridge Elementary School is ranked #82 out of 1,338 schools, which ranks it among the top 10% of public schools in Maryland.
What schools are Triadelphia Ridge Elementary School often compared to?
Triadelphia Ridge Elementary Schoolis often viewed alongside schools like Manor Woods Elementary School, Bushy Park Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
71% of students have achieved math proficiency (compared to the 27% MD state average), while 71% of students have achieved reading proficiency (compared to the 45% MD state average).
How many students attend Triadelphia Ridge Elementary School?
619 students attend Triadelphia Ridge Elementary School.
What is the racial composition of the student body?
44% of Triadelphia Ridge Elementary School students are Asian, 38% of students are White, 7% of students are Black, 6% of students are Two or more races, 4% of students are Hispanic, and 1% of students are American Indian.
What is the student-teacher ratio of Triadelphia Ridge Elementary School?
Triadelphia Ridge Elementary School has a student ration of 14:1, which is equal to the Maryland state average of 14:1.
What grades does Triadelphia Ridge Elementary School offer ?
Triadelphia Ridge Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is Triadelphia Ridge Elementary School part of?
Triadelphia Ridge Elementary School is part of Howard County School District.
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