Skip to main content

Excellent

#9 of 1,363 schools in MD

Top 1% in state

Triadelphia Ridge Elementary

Elementary School · Howard County Public Schools

13400 Triadelphia Rd, Ellicott City, MD 21042

Enrollment

625

Student-Teacher

13.6:1

Score

9.6

Grades

Pre-K – 5th

Data vintage2022-23

How this school compares

Maryland schools

#9 of 1,363

In Ellicott City

#2 of 21

public schools

In district

#3 of 76

Howard County Public Schools

Equity

9.8 / 10

Excellent

School shortlistprofile + nearby

Shortlisting around Triadelphia Ridge Elementary?

Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Triadelphia Ridge Elementary

9.6/10

Elementary School in Ellicott City · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.

Folly Quarter Middle

9.4/10

0.2 mi away. Use as a geographic alternative in the same move search.

Glenelg High

8.5/10

1.4 mi away. Use as a geographic alternative in the same move search.

About Triadelphia Ridge Elementary

Triadelphia Ridge Elementary is a public elementary school in Ellicott City, MD, part of Howard County Public Schools. Triadelphia Ridge Elementary serves approximately 625 students, and covers grades Pre-K-5th, and has a 13.6:1 student-teacher ratio. Triadelphia Ridge Elementary has a current MySchoolScout rating of 9.6 out of 10 and ranks #9 of 1,363 schools in MD.

Structured state assessment records for Triadelphia Ridge Elementary show 80% math proficiency (multi-year average, 2009-2025) and 78% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares1.6 pts above district
  • This school 9.6 · Excellent
  • District avg 8.0
  • MD avg 6.3

What Parents Should Know

Triadelphia Ridge Elementary sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress9.5Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.16 pts/yr
Data Period2009–2025
TrendDeclining
Academics9.7Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency77.1% (2025 MCAP)
Reading/ELA Proficiency80.9% (2025 MCAP)
Math vs. State Avg+46.9 pts
Reading vs. State Avg+29.8 pts
Overall Proficiency79% (2025 MCAP, Math+ELA)
Expected (poverty-adj.)67% (model expectation from 2025 MCAP)
vs. Expected+11.6 pts
Adjusted Percentile95th
Resources & Environment9.7Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
Per-Pupil Spending$19,256
Chronic Absenteeism8.5%

Triadelphia Ridge Elementary — Students at Triadelphia Ridge Elementary score 79% proficient, which is above what's typical for similar communities (expected: 67%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

7.8%

Students qualifying for federal meal assistance

Test Scores MD MCAP (2024-25)

Math Proficiency 79.9% (multi-year average, 2009-2025)
School
State
30.2% (2025 MCAP)
ELA Proficiency 77.6% (multi-year average, 2009-2025)
School
State
51.1% (2025 MCAP)

Based on 28 test records from MD state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
97%
ELA
98%
2010
Math
98%
ELA
98%
2011
Math
97%
ELA
99.5%
2012
Math
97%
ELA
98%
2013
Math
96%
ELA
95%
2014
Math
70%
ELA
62%
2015
Math
82%
ELA
66%
2016
Math
76%
ELA
70%
2018
Math
79%
ELA
73%
2019
Math
79%
ELA
73%
2020*
Math
52%
ELA
51%
2021*
Math
52%
ELA
51%
2022
Math
67%
ELA
71%
2025
Math
77.1%
ELA
80.9%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How Triadelphia Ridge Elementary Compares

See how Triadelphia Ridge Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
9.6/10
99th percentile in MD
Academic
9.7/10
Excellent
Growth
9.5/10
Excellent
Environment
9.7/10
Excellent
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
8%
Teaching Staff
14:1 student-teacher ratio
46 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
8.5%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

13400 Triadelphia Rd, Ellicott City, MD 21042

Nearby Alternatives

Families considering Triadelphia Ridge Elementary may also want to explore other elementary schools in the area. West Friendship Elementary (rated 9.6/10, 3.0 miles away, in nearby West Friendship), with a very similar rating. Another option is Pointers Run Elementary (rated 9.6/10, 6.0 miles away, in nearby Clarksville), with a very similar rating. Additionally, Bushy Park Elementary (rated 9.5/10, 3.3 miles away, in nearby Glenwood), with a very similar rating. For more schools in Ellicott City, see our Ellicott City schools guide .

Nearby Schools

20 within 5.2 mi
School Distance Rating
Folly Quarter Middle Ellicott City 0.2 mi 9.4
Glenelg High Glenelg 1.4 mi 8.5
GLENELG COUNTRY SCHOOL Ellicott City 1.4 mi 8.1
Dayton Oaks Elementary Dayton 1.8 mi 9.1
West Friendship Elementary West Friendship 3.0 mi 9.6
GLENWOOD ACADEMY Glenwood 3.0 mi 6.0
Glenwood Middle Glenwood 3.2 mi 9.1
Bushy Park Elementary Glenwood 3.3 mi 9.5
BROOKFIELD CHRISTIAN SCHOOL Clarksville 4.5 mi
Mount View Middle Marriottsville 4.4 mi 9.3
Clarksville Elementary Clarksville 4.3 mi 9.4
Manor Woods Elementary Ellicott City 3.9 mi 9.3
ST LOUIS SCHOOL Clarksville 4.6 mi 4.9
Marriotts Ridge High Marriottsville 4.5 mi 8.6
River Hill High Clarksville 4.5 mi 8.7
NORTHCREST MONTESSORI Clarksville 4.7 mi
GLENWOOD COUNTRY DAY SCHOOL Woodbine 4.6 mi
CHAPELGATE CHRISTIAN ACADEMY Marriottsville 4.6 mi 8.2
Pointers Run Elementary Clarksville 6.0 mi 9.6
Homewood School Ellicott City 5.2 mi 5.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 21042 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$190,504

Median Home Value

$674,700

Median Rent

$2,253/mo

Population

43,021

College Educated

74.7%

Homeownership

85.4%

Avg Commute

29.3 min

Poverty Rate

2.7%

Median Age

45

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Pointers Run Elementary Clarksville, MD 9.6
Bushy Park Elementary Glenwood, MD 9.5
Jones Lane Elementary Gaithersburg, MD 9.5
Riderwood Elementary Towson, MD 9.7
Travilah Elementary North Potomac, MD 9.5
Waverly Elementary Ellicott City, MD 9.5

Frequently Asked Questions

Common questions about Triadelphia Ridge Elementary

What grades does Triadelphia Ridge Elementary serve?

Triadelphia Ridge Elementary serves students in grades Pre-K through 5th.

How many students attend Triadelphia Ridge Elementary?

Triadelphia Ridge Elementary has an enrollment of approximately 625 students.

What is the student-teacher ratio at Triadelphia Ridge Elementary?

The student-teacher ratio at Triadelphia Ridge Elementary is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Triadelphia Ridge Elementary rank in MD?

Triadelphia Ridge Elementary ranks #9 of 1,363 schools in MD.

What is Triadelphia Ridge Elementary's MySchoolScout rating?

Triadelphia Ridge Elementary has a current MySchoolScout rating of 9.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Triadelphia Ridge Elementary?

Based on loaded state assessment records, Triadelphia Ridge Elementary has 80% math proficiency (multi-year average, 2009-2025) and 78% reading/ELA proficiency (multi-year average, 2009-2025).

Is Triadelphia Ridge Elementary a charter school?

No, Triadelphia Ridge Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Triadelphia Ridge Elementary a Title I school?

No, Triadelphia Ridge Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Triadelphia Ridge Elementary?

7.8% of students at Triadelphia Ridge Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
11 Car-Dependent
Bike Score
19 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 5th
Enrollment
625
Student-Teacher Ratio
13.6:1
Teachers (FTE)
46
Free/Reduced Lunch
7.8%
Type
regular
Setting
Fringe Rural
County
Howard County
Chronic Absenteeism (SY 2022-23)
8.5%

District

Howard County Public Schools
District Enrollment
57,633
Schools in District
78
Per-Pupil Spending
$19,256
District Rank
#3 of 76

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.