SchoolDataLookup

Triadelphia Ridge Elementary

Regular School · Ellicott City, MD

Triadelphia Ridge Elementary is a regular school school in Ellicott City, Maryland, serving grades PK–05 with 619 students enrolled (SY 2024-2025). The student-teacher ratio is 13.9:1.

Level
Elementary
Grades
PK – 05
Enrollment
619
Teachers (FTE)
44.5
Student–Teacher Ratio
13.9:1
Status
Open
Lunch Program Participation
Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity Students Share
Asian 271 44%
White 236 38%
Black or African American 44 7%
Two or more races 39 6%
Hispanic/Latino 26 4%
American Indian / Alaska Native 3 0%
Total enrollment 619 325M / 294F

English Language Learners: 33 (5% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric This School State Avg Tested
Math Proficiency 52.0% +29.8pp 22.2% 271
Reading Proficiency 51.0% +15.8pp 35.2% 281
Science Proficiency 75-79% — 100

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)
+0.93 grade levels
Math
+0.21 grade levels

Programs & Discipline

Gifted & Talented
Program offered
86 students enrolled
Out-of-School Suspensions
0
Chronically Absent
7
1.1% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category Students % of School
Total enrollment (est.) 619 100%

Contact & Location

13400 Triadelphia Rd

Ellicott City, MD 21042

Phone: (410)313-2560

http://tres.hcpss.org

District

Howard County Public Schools

Per-pupil expenditure: $21,428

District enrollment: 57,676

Other Schools in District

View all 77 schools →

Related Data

NCES ID

240042001026

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD