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SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048001510

Greencastle Elementary

13611 Robey Rd, Silver Spring, MD 20904 · (240) 740-1420 · Montgomery County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL722 STUDENTS
Enrollment
722
Elementary
DISTRICT 514 · STATE 481
Student : Teacher
12.3:1
59 FTE teachers
DISTRICT 12.9:1 · STATE 13.8:1
Free / Reduced Lunch
60%
436 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-K7410%
Kindergarten9113%
Grade 111316%
Grade 211416%
Grade 310615%
Grade 411516%
Grade 510915%

This year's kindergarten class (91) is 17% smaller than its 5th grade class (109).

Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 73% · US 70%
White
264%
DISTRICT 23% · STATE 31% · US 43%
Hispanic
14921%
DISTRICT 36% · STATE 24% · US 30%
Black
47866%
DISTRICT 22% · STATE 32% · US 15%
Asian
497%
DISTRICT 14% · STATE 7% · US 6%
Two+
193%
DISTRICT 5% · STATE 5% · US 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
36651%
Female
35649%

Discussions

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
31.9%
MD avg 50.6% . -0.9pp since 2023
Math
29.1%
MD avg 34.8% . +5.6pp since 2023

What this means: On the MCAP, Maryland's statewide test, about 32 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 have held steady since 2023, while math scores are up about 6 points.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2531.9%29.1%
2023-2432.8%23.5%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
29.3%
composite math + reading, all grades
Predicted
38.5%
based on MD schools with similar FRL share
Beats by
-9.2pp
below demographic expectation

What this means: About 29% of students here test proficient in math and reading, compared with the roughly 38% 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 Greencastle Elementary

Greencastle Elementary's state test result (29.3% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Greencastle Elementary this school72260.4%29.3%
Daniel of St. Thomas Jenifer Elementary School
Waldorf
66159.9%26.1%
J. C. Parks Elementary School
Indian Head
65359.7%34.2%
Galway Elementary
Silver Spring
69558.6%46.5%
C. Paul Barnhart Elementary School
Waldorf
59860.5%53.9%
Woodholme Elementary
Baltimore
68563.5%32.4%
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 Greencastle Elementary ranks

Among elementary schools
MeasureThis schoolIn MarylandIn Montgomery County
State test proficiency
ranked highest first
29.3%#653 of 853#121 of 131
Math proficiency
ranked highest first
29.1%#600 of 853
▲ 42
#114 of 131
▲ 11
Reading proficiency
ranked highest first
31.9%#696 of 853
▼ 78
#121 of 131
▼ 3
Enrollment
ranked largest first
722#85 of 898#11 of 139
Students per teacher
ranked fewest first
12.3:1#207 of 857#61 of 136
Diversity index
ranked most diverse first
51.3%#500 of 857#119 of 136
Free and reduced lunch
ranked highest share first
60.4%#398 of 885#27 of 137
Enrollment change since 2017-18
ranked fastest growth first
+1.5%#269 of 294#31 of 34
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
722
-21 (-3%) vs 2020
+25% since 1990-91, when it was 576
Student : Teacher
12.3:1
was 13.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2572258.912.3:160% (436)
2023-2475358.612.8:165% (487)
2022-2371457.212.5:177% (553)
2020-217435713.0:168% (504)
2017-1871149.214.4:158% (413)
2015-167595314.3:165% (492)
2010-116524614.2:159% (386)
2000-016543518.7:143% (284)
1990-915762820.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Greencastle Elementary.

Since 2017-18: students up 2% (711 to 722); teachers up 20% (49.2 to 58.9).

About Greencastle Elementary

Greencastle Elementary is a public elementary school in Silver Spring, Maryland. It enrolls 722 students in 2024-25. The grades offered are pre-K through 5. That puts enrollment 50% bigger than the 481-student average for elementary schools in Maryland.

Greencastle Elementary is a school in Montgomery County Public Schools. The district has 208 schools and 159,181 students.

About 66% of the student body at Greencastle Elementary is Black. The remaining students are 21% Hispanic, 7% Asian, 4% White, and 3% multiracial. Among people living in Montgomery County, the Black share is about 19%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 51%.

Teacher count: 58.9 full-time equivalents. Student-to-teacher ratio: 12.3:1. Compared with the 13.8:1 average for elementary schools in Maryland, this school's ratio is lower. Eligibility for free or reduced-price lunch, often used to gauge student poverty, is 60%. By comparison, the figure for public schools in Montgomery County is 40%.

On the allk12 BeatsExpectations measure, Greencastle Elementary is 9.2 points below the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 29.3% actual, 38.5% predicted. That is outside both the top and bottom 10% in Maryland.

American Community Survey estimates for Montgomery County show that median household income comes to about $132,450, roughly 61% of adults have a four-year degree or more, and the share of residents below the poverty line is 5%. The county's public schools total 211, with about 159,181 students.

Measured in a straight line, Paint Branch High is about 0.5 miles from Greencastle Elementary. Around the school, at least 8 other public schools are within five miles. Of 9 schools in the immediate area with test results, Greencastle Elementary ranks 7th on average proficiency.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

In 2020-21, Greencastle Elementary enrolled 743 students. By 2024-25, that number had fallen to 722.

The discussion board for Greencastle Elementary is open to topics like special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.

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
Greencastle Elementary
District
Montgomery County Public Schools
Address
13611 Robey Rd, Silver Spring, MD 20904
Phone
(240) 740-1420
County
Montgomery County
Level
Elementary
Grade range
PK–05
Total enrollment
722
Teachers (FTE)
59
Student–teacher ratio
12.3:1
Free and reduced lunch
436 (60%)
Locale
21-Suburb: Large
NCES ID
240048001510
Charter school
No
Virtual school
No

Related schools

Other schools in Montgomery County Public Schools
Other schools in Silver Spring
Nearby schools

Frequently asked questions

About Greencastle Elementary
How large is Greencastle Elementary?
Greencastle Elementary enrolls approximately 722 students in grades PK-05.
What grades does Greencastle Elementary serve?
Greencastle Elementary serves grades PK-05.
What is the student-teacher ratio at Greencastle Elementary?
The student-to-teacher ratio at Greencastle Elementary is approximately 12.3:1 (59 FTE teachers).
How diverse is Greencastle Elementary?
Greencastle Elementary reports a student body of 4% White, 21% Hispanic, 66% Black, 7% Asian, 3% Two or more.
What district is Greencastle Elementary in?
Greencastle 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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