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SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048000939

Twinbrook Elementary

5911 Ridgway Ave, Rockville, MD 20851 · (240) 740-3450 · Montgomery County
GRADES PK–05ELEMENTARY13-CITYTITLE IREGULAR SCHOOL459 STUDENTS
C-
allk12 Grade
Scored higher than 22% of Maryland public elementary schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • DBeats 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

Enrollment
459
Elementary
DISTRICT 514 · STATE 481
Student : Teacher
12.1:1
38 FTE teachers
DISTRICT 12.9:1 · STATE 13.8:1
Free / Reduced Lunch
57%
262 students
DISTRICT 40% · 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

GradeStudentsShare
Pre-K5612%
Kindergarten6614%
Grade 16915%
Grade 25512%
Grade 37617%
Grade 47216%
Grade 56514%

This year's kindergarten class (66) is about the same size as its 5th grade class (65).

Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 73% · US 70%
White
439%
DISTRICT 23% · STATE 31% · US 43%
Hispanic
28763%
DISTRICT 36% · STATE 24% · US 30%
Black
6013%
DISTRICT 22% · STATE 32% · US 15%
Asian
4710%
DISTRICT 14% · STATE 7% · US 6%
Two+
215%
DISTRICT 5% · STATE 5% · US 5%
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
Male
24654%
Female
21246%

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
34.2%
MD avg 50.6% . -3.7pp since 2023
Math
29.0%
MD avg 34.8% . -6.1pp since 2023

What this means: On the MCAP, Maryland's statewide test, about 34 of every 100 students at this school read and write at grade level and about 29 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 4 points since 2023, while math scores are down about 6 points.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2534.2%29.0%
2023-2437.9%35.1%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
34.0%
composite math + reading, all grades
Predicted
40.4%
based on MD schools with similar FRL share
Beats by
-6.4pp
below demographic expectation

What this means: About 34% of students here test proficient in math and reading, compared with the roughly 40% 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 Twinbrook Elementary

Twinbrook Elementary's state test result (34.0% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Twinbrook Elementary this school45957.1%34.0%
Flower Hill Elementary
Gaithersburg
45454.8%33.8%
Brookhaven Elementary
Rockville
43660.8%39.5%
Brown Station Elementary
Gaithersburg
57257.5%33.3%
Goshen Elementary
Gaithersburg
49455.9%49.6%
Washington Grove Elementary
Gaithersburg
48052.7%33.0%
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 Twinbrook Elementary ranks

Among elementary schools
MeasureThis schoolIn MarylandIn Montgomery County
State test proficiency
ranked highest first
34.0%#560 of 853#109 of 131
Math proficiency
ranked highest first
29.0%#601 of 853
▼ 126
#115 of 131
▼ 16
Reading proficiency
ranked highest first
34.2%#654 of 853
▼ 114
#117 of 131
▼ 12
Enrollment
ranked largest first
459#478 of 898#95 of 139
Students per teacher
ranked fewest first
12.1:1#195 of 857#58 of 136
Diversity index
ranked most diverse first
56.9%#424 of 857#112 of 136
Free and reduced lunch
ranked highest share first
57.1%#457 of 885#43 of 137
Enrollment change since 2017-18
ranked steepest decline first
-16.4%#197 of 551#30 of 97
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 2024-25
Enrollment
459
-49 (-10%) vs 2020
-29% since 1990-91, when it was 648
Student : Teacher
12.1:1
was 10.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2545937.812.1:157% (262)
2023-2446140.611.3:161% (279)
2022-234894610.6:172% (354)
2020-215084810.6:165% (331)
2017-185494512.2:169% (380)
2015-165474013.7:165% (357)
2010-115584612.1:164% (357)
2000-015843815.4:148% (281)
1990-916483618.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Twinbrook Elementary.

Since 2017-18: students down 16% (549 to 459); teachers down 16% (45 to 37.8).

About Twinbrook Elementary

Twinbrook Elementary is a mid-sized elementary school with its address in Rockville, Maryland. It had 459 students in 2024-25, spanning pre-K through 5.

The district for Twinbrook Elementary is Montgomery County Public Schools, with 208 schools and 159,181 students.

The share of Hispanic students at Twinbrook Elementary is 63%, a majority. Other students are 13% Black, 10% Asian, 9% White, and 5% multiracial. That is higher than the 21% Hispanic share among all Montgomery County residents. A diversity index of 57% means there is a 57% chance two randomly chosen students at Twinbrook Elementary are from different groups.

There are about 12.1 students for every full-time-equivalent teacher at Twinbrook Elementary, which has 37.8. The school's 12.1:1 compares with an average of 13.8:1 for elementary schools in Maryland. Eligibility for free or reduced-price lunch stands at 57%. That is higher than the 40% average for public schools in Montgomery County.

On the allk12 Grade, Twinbrook Elementary lands at C-, ahead of 22% of Maryland public elementary schools.

Given its share of students eligible for free or reduced-price lunch, Twinbrook Elementary would be expected to post about 40.4%. Its actual average proficiency rate across its state test results is 34.0%.

In the surrounding county, Montgomery County, the median household earns about $132,450 a year, 61% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Counting Twinbrook Elementary, Montgomery County has 211 public schools.

Meadow Hall Elementary, about 1.1 miles away, is the closest public school. Within five miles of Twinbrook Elementary, there are at least 8 other public schools. Twinbrook Elementary is 9th of 9 nearby schools by average proficiency rate.

NCES lists the school's locale as City: Small. That means it sits inside a principal city with a population under 100,000.

The 2020-21-to-2024-25 change in enrollment was a 10% decline, from 508 to 459. The student-to-teacher ratio went up from 10.6:1 to 12.1:1.

The allk12 page for Twinbrook Elementary lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.

Montgomery County at a glance

View full county profile
Population
1,065,949
Census ACS
Median income
$132,450
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
211
159,181 students

Quick facts

School name
Twinbrook Elementary
District
Montgomery County Public Schools
Address
5911 Ridgway Ave, Rockville, MD 20851
Phone
(240) 740-3450
County
Montgomery County
Level
Elementary
Grade range
PK–05
Total enrollment
459
Teachers (FTE)
38
Student–teacher ratio
12.1:1
Free and reduced lunch
262 (57%)
Locale
13-City: Small
NCES ID
240048000939
Charter school
No
Virtual school
No

Related schools

Other schools in Montgomery County Public Schools
Other schools in Rockville
Nearby schools

Frequently asked questions

About Twinbrook Elementary
What is the total enrollment at Twinbrook Elementary?
Twinbrook Elementary enrolls approximately 459 students in grades PK-05.
Is Twinbrook Elementary an elementary, middle, or high school?
Twinbrook Elementary is an elementary school covering grades PK-05.
What is the student-teacher ratio at Twinbrook Elementary?
The student-to-teacher ratio at Twinbrook Elementary is approximately 12.1:1 (38 FTE teachers).
What is the racial breakdown of students at Twinbrook Elementary?
At Twinbrook Elementary, the student body is approximately 9% White, 63% Hispanic, 13% Black, 10% Asian, 5% Two or more.
What district is Twinbrook Elementary in?
Twinbrook Elementary is part of Montgomery County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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