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What's something Triadelphia Ridge Elementary does better than most schools?
Community prompt from u/allk12. Replies below.
Enrollment
619
Elementary
DISTRICT 614 · STATE 481
SCHOOL COMMUNITY·HOWARD COUNTY PUBLIC SCHOOLS·NCES 240042001026
Triadelphia Ridge Elementary
13400 Triadelphia Rd, Ellicott City, MD 21042 · (410) 313-2560 · Howard County
GRADES PK–05ELEMENTARY41-RURALREGULAR SCHOOL619 STUDENTS
A
allk12 Grade
Scored higher than 94% of Maryland public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maryland public elementary schools
Student : Teacher
13.9:1
45 FTE teachers
DISTRICT 12.7:1 · STATE 13.8:1
Free / Reduced Lunch
7%
45 students
DISTRICT 29% · STATE 54%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 14 | 2% |
| Kindergarten | 87 | 14% |
| Grade 1 | 87 | 14% |
| Grade 2 | 91 | 15% |
| Grade 3 | 126 | 20% |
| Grade 4 | 100 | 16% |
| Grade 5 | 114 | 18% |
This year's kindergarten class (87) is 24% smaller than its 5th grade class (114).
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 77% · STATE 73% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
MCAP 2024-25 . % Proficient (Levels 3-4)English Language Arts
77.5%
MD avg 50.6% . -10.2pp since 2023
Math
78.9%
MD avg 34.8% . -4.6pp since 2023
What this means: On the MCAP, Maryland's statewide test, about 78 of every 100 students at this school read and write at grade level and about 79 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are down about 10 points since 2023, while math scores are down about 5 points.
MCAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 77.5% | 78.9% |
| 2023-24 | 87.7% | 83.5% |
% Proficient (Levels 3-4), all students and all tested grades.
Source: MCAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
81.9%
composite math + reading, all grades
Predicted
69.9%
based on MD schools with similar FRL share
Beats by
+12.0pp
above demographic expectation
What this means: About 82% of students here test proficient in math and reading, compared with the roughly 70% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Triadelphia Ridge Elementary
Triadelphia Ridge Elementary's state test result (81.9% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Triadelphia Ridge Elementary this school | 619 | 7.3% | 81.9% |
| Diamond Elementary Gaithersburg | 654 | 12.4% | 77.5% |
| Manor Woods Elementary Ellicott City | 697 | 16.9% | 77.1% |
| Wayside Elementary Potomac | 465 | 9.9% | 85.3% |
| Centennial Lane Elementary Ellicott City | 749 | 16.4% | 77.8% |
| Stone Mill Elementary North Potomac | 516 | 14.1% | 77.3% |
Matched among Maryland elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Triadelphia Ridge Elementary ranks
Among elementary schools| Measure | This school | In Maryland | In Howard County |
|---|---|---|---|
| State test proficiency ranked highest first | 81.9% | #21 of 853 | #2 of 42 |
| Math proficiency ranked highest first | 78.9% | #31 of 853 ▼ 20 | #5 of 42 ▼ 2 |
| Reading proficiency ranked highest first | 77.5% | #82 of 853 ▼ 70 | #8 of 42 ▼ 7 |
| Enrollment ranked largest first | 619 | #186 of 898 | #24 of 42 |
| Students per teacher ranked fewest first | 13.9:1 | #432 of 857 | #31 of 42 |
| Diversity index ranked most diverse first | 65.2% | #296 of 857 | #38 of 42 |
| Free and reduced lunch ranked highest share first | 7.3% | #877 of 885 | #42 of 42 |
| Enrollment change since 2017-18 ranked fastest growth first | +11.9% | #121 of 294 | #5 of 15 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
619
+79 (+15%) vs 2020
-6% since 2000-01, when it was 658
Student : Teacher
13.9:1
was 13.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 619 | 44.5 | 13.9:1 | 7% (45) |
| 2023-24 | 625 | 46.3 | 13.5:1 | 8% (49) |
| 2022-23 | 605 | 43.9 | 13.8:1 | 5% (29) |
| 2020-21 | 540 | 40 | 13.5:1 | 3% (14) |
| 2017-18 | 553 | 38 | 14.6:1 | 3% (14) |
| 2015-16 | 528 | 34 | 15.5:1 | 3% (18) |
| 2010-11 | 406 | 31 | 13.1:1 | 4% (17) |
| 2000-01 | 658 | 41 | 16.1:1 | 1% (5) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Triadelphia Ridge Elementary.
Since 2017-18: students up 12% (553 to 619); teachers up 17% (38 to 44.5).
About Triadelphia Ridge Elementary
Triadelphia Ridge Elementary is a mid-sized elementary school for students in Ellicott City, Maryland. In all, 619 students attend the school in pre-K through 5. That is 29% larger than the average of about 481 students for elementary schools in Maryland.
Howard County Public Schools has 57,565 students spread across 77 schools.
The largest racial or ethnic group at Triadelphia Ridge Elementary is Asian, with 44% of students. Next come 38% White, 7% Black, 6% multiracial, and 4% Hispanic. The county population is about 19% Asian. The diversity index for Triadelphia Ridge Elementary is 65%. For US public schools as a whole it is 70%.
On staff are 44.5 full-time-equivalent teachers; the student-to-teacher ratio is 13.9:1. That is in line with the 13.8:1 average for elementary schools in Maryland. Triadelphia Ridge Elementary has a free or reduced-price lunch rate of 7%. On average, public schools in Howard County report 27%.
Triadelphia Ridge Elementary holds an A allk12 Grade, placing it above 94% of Maryland public elementary schools.
BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Triadelphia Ridge Elementary, the prediction is 69.9% and the result is 81.9%.
Census data for Howard County show median household income comes to about $149,763, the share of adults with a bachelor's degree or higher is 65%, and about 4% of people live in poverty. There are 78 public schools in the county, enrolling about 57,565, Triadelphia Ridge Elementary among them.
Measured in a straight line, Folly Quarter Middle is about 0.2 miles from Triadelphia Ridge Elementary. The five-mile area around Triadelphia Ridge Elementary holds at least 8 other public schools. The nearest schools with test data average 72.2%, lower than Triadelphia Ridge Elementary's 81.9%.
The National Center for Education Statistics classifies the school's location as Rural: Fringe, meaning it is in rural territory close to an urban area.
A 15% rise took enrollment from 540 in 2020-21 to 619 in 2024-25.
Triadelphia Ridge Elementary has a community page on allk12 for topics such as athletics, class schedules, and weather closures. Teachers and staff are welcome to share updates too.
Howard County at a glance
View full county profilePopulation
336,328
Census ACS
Median income
$149,763
Household, ACS
Bachelor's+
65%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
78
57,565 students
Quick facts
Related schools
Other schools in Howard County Public Schools
- Marriotts Ridge HighHigh · 1,741 students
- Reservoir HighHigh · 1,597 students
- Atholton HighHigh · 1,540 students
- Howard HighHigh · 1,493 students
- Mount Hebron HighHigh · 1,455 students
- Oakland Mills HighHigh · 1,413 students
Other schools in Ellicott City
- Howard HighHigh · 1,493 students
- Mount Hebron HighHigh · 1,455 students
- Centennial HighHigh · 1,377 students
- Veterans ElementaryElementary · 883 students
- Waverly ElementaryElementary · 827 students
- Bellows Spring ElementaryElementary · 806 students
Nearby schools
- Folly Quarter Middle0.2 mi · 682
- Glenelg High1.4 mi · 1,363
- Dayton Oaks Elementary1.8 mi · 739
- West Friendship Elementary3.0 mi · 367
- Glenwood Middle3.2 mi · 494
- Bushy Park Elementary3.3 mi · 631
Frequently asked questions
About Triadelphia Ridge ElementaryHow large is Triadelphia Ridge Elementary?
Triadelphia Ridge Elementary enrolls approximately 619 students in grades PK-05.
What age range does Triadelphia Ridge Elementary serve?
Triadelphia Ridge Elementary serves students from grade PK through grade 05.
How many students per teacher at Triadelphia Ridge Elementary?
Approximately 13.9:1 students per teacher at Triadelphia Ridge Elementary.
How diverse is Triadelphia Ridge Elementary?
Triadelphia Ridge Elementary reports a student body of 38% White, 4% Hispanic, 7% Black, 44% Asian, 6% Two or more.
Who oversees Triadelphia Ridge Elementary?
Triadelphia Ridge Elementary is overseen by Howard County Public Schools in Howard County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.