Enrollment
220
Elementary
DISTRICT 419 · STATE 481
SCHOOL COMMUNITY·ST. MARY'S COUNTY PUBLIC SCHOOLS·NCES 240060001240
White Marsh Elementary
29090 Thompson Corner Rd, Mechanicsville, MD 20659 · (301) 472-4600 · St. Mary's County
GRADES PK–05ELEMENTARY42-RURALREGULAR SCHOOL220 STUDENTS
A+
allk12 Grade
Scored higher than 95% of Maryland public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats 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
14.4:1
15 FTE teachers
DISTRICT 14.7:1 · STATE 13.8:1
Free / Reduced Lunch
35%
78 students
DISTRICT 43% · STATE 54%
Community
0
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 |
|---|---|---|
| Kindergarten | 33 | 15% |
| Grade 1 | 34 | 15% |
| Grade 2 | 35 | 16% |
| Grade 3 | 40 | 18% |
| Grade 4 | 47 | 21% |
| Grade 5 | 31 | 14% |
This year's kindergarten class (33) is 6% larger than its 5th grade class (31).
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 60% · 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
75.6%
MD avg 50.6% . +11.8pp since 2023
Math
75.7%
MD avg 34.8% . +4.0pp since 2023
What this means: On the MCAP, Maryland's statewide test, about 76 of every 100 students at this school read and write at grade level and about 76 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are up about 12 points since 2023, while math scores are up about 4 points.
MCAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 75.6% | 75.7% |
| 2023-24 | 63.8% | 71.7% |
% 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
OUTPERFORMING
Top 10% of MD schools after controlling for student poverty
Actual proficiency
71.7%
composite math + reading, all grades
Predicted
53.2%
based on MD schools with similar FRL share
Beats by
+18.5pp
above demographic expectation
What this means: About 72% of students here test proficient in math and reading, well above the roughly 53% typical for Maryland schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 18 points, placing it in Maryland's top 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 White Marsh Elementary
White Marsh Elementary's state test result (71.7% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| White Marsh Elementary this school | 220 | 35.5% | 71.7% |
| Greenbrier Elementary Boonsboro | 259 | 39.0% | 54.6% |
| Mechanicsville Elementary Mechanicsville | 273 | 36.6% | 52.1% |
| Dublin Elementary Street | 222 | 40.5% | 69.9% |
| Liberty Elementary Frederick | 265 | 32.8% | 54.5% |
| Oakville Elementary Mechanicsville | 291 | 43.0% | 57.0% |
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 White Marsh Elementary ranks
Among elementary schools| Measure | This school | In Maryland | In St. Mary's County |
|---|---|---|---|
| State test proficiency ranked highest first | 71.7% | #83 of 853 | #1 of 19 |
| Math proficiency ranked highest first | 75.7% | #51 of 853 ▲ 26 | #1 of 19 no change |
| Reading proficiency ranked highest first | 75.6% | #97 of 853 ▲ 101 | #1 of 19 no change |
| Enrollment ranked largest first | 220 | #841 of 898 | #18 of 19 |
| Students per teacher ranked fewest first | 14.4:1 | #495 of 857 | #9 of 19 |
| Diversity index ranked most diverse first | 50.9% | #503 of 857 | #11 of 19 |
| Free and reduced lunch ranked highest share first | 35.5% | #661 of 885 | #14 of 19 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.2% | #173 of 551 | #7 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
220
+1 (+0%) vs 2020
-14% since 1990-91, when it was 256
Student : Teacher
14.4:1
was 14.6:1
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 | 220 | 15.3 | 14.4:1 | 35% (78) |
| 2023-24 | 224 | 15.3 | 14.6:1 | 34% (76) |
| 2022-23 | 220 | 15.3 | 14.4:1 | 33% (73) |
| 2020-21 | 219 | 15 | 14.6:1 | 30% (66) |
| 2017-18 | 269 | 15.4 | 17.5:1 | 31% (84) |
| 2015-16 | 244 | 14 | 17.4:1 | 23% (57) |
| 2010-11 | 246 | 15 | 16.4:1 | 26% (63) |
| 2000-01 | 225 | 15 | 15.0:1 | 16% (35) |
| 1990-91 | 256 | 14 | 18.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for White Marsh Elementary.
Since 2017-18: students down 18% (269 to 220); teachers down 1% (15.4 to 15.3).
About White Marsh Elementary
White Marsh Elementary, located in Mechanicsville, Maryland, is a low-enrollment elementary school. It educates 220 students in pre-K through 5. The school's enrollment is 54% smaller than the 481 average for elementary schools in Maryland.
St. Mary's County Public Schools counts 16,905 students in its 26 schools, and White Marsh Elementary is one of them.
Roughly 68% of students at White Marsh Elementary are White. Other groups make up 11% Hispanic, 10% Black, and 9% multiracial. The county population is about 71% White, within a few points of the school. Pick two students at random and there is a 51% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Dividing enrollment by its 15.3 full-time-equivalent teachers gives a ratio of about 14.4:1. That matches the 13.8:1 average for elementary schools in Maryland fairly closely. White Marsh Elementary reports 35% of students eligible for free or reduced-price meals.
Measured against Maryland public elementary schools, White Marsh Elementary receives an A+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
In Maryland, White Marsh Elementary is one of the top 10% of schools on BeatsExpectations, with an average proficiency rate on state tests of 71.7% compared with a predicted 53.2%.
St. Mary's County has about 115,126 residents, and the median household income is $119,446, 37% of adults hold a bachelor's degree or higher, and about 6% of residents live below the federal poverty line. Besides White Marsh Elementary, St. Mary's County has 27 other public schools.
The closest other public school is Lettie Marshall Dent Elem, about 0.7 miles away. White Marsh Elementary has 2 other public schools within five miles. White Marsh Elementary ranks 1st of 9 among nearby schools on average proficiency, with 71.7% against a local average of 47.7%.
By NCES locale, the school is Rural: Distant, or in rural territory some distance from an urban area.
There was little change in enrollment from 2020-21 (219) to 2024-25 (220).
Community posts for White Marsh Elementary can cover school safety, transportation, and start times. Questions from prospective families are welcome too.
St. Mary's County at a glance
View full county profilePopulation
115,126
Census ACS
Median income
$119,446
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
28
16,905 students
Quick facts
Related schools
Other schools in St. Mary's County Public Schools
- Leonardtown HighHigh · 2,118 students
- Great Mills HighHigh · 1,697 students
- Chopticon HighHigh · 1,526 students
- Leonardtown MiddleMiddle · 969 students
- Spring Ridge MiddleMiddle · 913 students
- Margaret Brent MiddleMiddle · 878 students
Other schools in Mechanicsville
- Margaret Brent MiddleMiddle · 878 students
- Lettie Marshall Dent ElemElementary · 479 students
- Oakville ElementaryElementary · 291 students
- Mechanicsville ElementaryElementary · 273 students
Other White Marsh Elementary schools
One other US public school is named White Marsh Elementary. White Marsh Elementary is the 2nd largest of the 2.
- White Marsh ElementaryTrappe, MD · 289 students
Nearby schools
- Lettie Marshall Dent Elem0.7 mi · 479
- Mechanicsville Elementary1.5 mi · 273
- T. C. Martin Elementary School6.1 mi · 538
- Margaret Brent Middle6.9 mi · 878
- Chopticon High8.4 mi · 1,526
- Oakville Elementary8.6 mi · 291
Frequently asked questions
About White Marsh ElementaryWhat is the total enrollment at White Marsh Elementary?
White Marsh Elementary enrolls approximately 220 students in grades PK-05.
What grades does White Marsh Elementary serve?
White Marsh Elementary serves grades PK-05.
How many students per teacher at White Marsh Elementary?
Approximately 14.4:1 students per teacher at White Marsh Elementary.
What is the racial breakdown of students at White Marsh Elementary?
At White Marsh Elementary, the student body is approximately 68% White, 11% Hispanic, 10% Black, 1% Asian, 9% Two or more.
Is White Marsh Elementary public or private?
White Marsh Elementary is a public K-12 school, overseen by St. Mary's County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.