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SCHOOL COMMUNITY·ST. MARY'S COUNTY PUBLIC SCHOOLS·NCES 240060001399

Lettie Marshall Dent Elem

37840 New Market Turner Rd, Mechanicsville, MD 20659 · (301) 472-4500 · St. Mary's County
GRADES PK–05ELEMENTARY42-RURALREGULAR SCHOOL479 STUDENTS
Enrollment
479
Elementary
DISTRICT 419 · STATE 481
Student : Teacher
17.7:1
27 FTE teachers
DISTRICT 14.7:1 · STATE 13.8:1
Free / Reduced Lunch
38%
184 students
DISTRICT 43% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
37
Kindergarten
70
Grade 1
72
Grade 2
65
Grade 3
73
Grade 4
81
Grade 5
81
Student demographics
White
38580%
DISTRICT 59% · STATE 31%
Hispanic
286%
DISTRICT 10% · STATE 24%
Black
306%
DISTRICT 19% · STATE 32%
Asian
20%
DISTRICT 2% · STATE 7%
Two+
327%
DISTRICT 9% · STATE 5%
Native American
20%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
24451%
Female
23549%

Discussions

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
45.3%
MD avg 50.6% . -7.2pp since 2023
Math
35.6%
MD avg 34.8% . -8.2pp since 2023
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
44.3%
composite math + reading, all grades
Predicted
51.5%
based on MD schools with similar FRL share
Beats by
-7.2pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
479
-132 (-22%) vs 2017
Student : Teacher
17.7:1
was 19.4:1
% White
80%
was 89%
% Hispanic
6%
was 3%
% Black
6%
was 3%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About Lettie Marshall Dent Elem

Set in Mechanicsville, Maryland, Lettie Marshall Dent Elem is a mid-tier primary school, overseen by St. Mary's County Public Schools. It instructs 479 students across grades pre-K through 5.

Across the 26 schools in St. Mary's County Public Schools (16,905 students total), Lettie Marshall Dent Elem accounts for its share of the district's footprint.

Demographically, Lettie Marshall Dent Elem records that nearly all students (80%) are White. The remainder consists of 7% multiracial, 6% Black, 6% Hispanic. The wider county runs roughly 71% White, putting the school's mix meaningfully more White than the area baseline.

On the resource side, Lettie Marshall Dent Elem lists 27 full-time-equivalent teachers, putting the student-to-teacher ratio at about 17.7:1. The state averages around 13.8:1, so this campus is higher than the state norm typical. An estimated 38% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

After controlling for student poverty, Lettie Marshall Dent Elem performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.5%, the actual is 44.3%, a residual of -7.2 points.

Zooming out to the county, community-level numbers for St. Mary's County indicate the typical household earns roughly $119,446 per year, 37% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. In all, St. Mary's County runs 28 public schools (combined enrollment of about 16,905 students), of which Lettie Marshall Dent Elem is one.

White Marsh Elementary is the nearest neighboring public school, about 0.7 miles from this campus. 2 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Lettie Marshall Dent Elem comes 7th of 9 in the immediate cluster, beneath the nearby-schools average of 51.1%.

The school occupies a countryside site.

Five-year trend. Looking back 7 years, enrollment at Lettie Marshall Dent Elem has shrank 22%, going from 611 students in 2018 to 479 in 2025. The White share of enrollment decreased from 89% to 80% over that span. Class-load math has narrowed: from 19.4:1 in 2018 to 17.7:1 in 2025.

On the community side, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.

St. Mary's County at a glance

View full county profile
Population
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

School name
Lettie Marshall Dent Elem
District
St. Mary's County Public Schools
Address
37840 New Market Turner Rd, Mechanicsville, MD 20659
Phone
(301) 472-4500
County
St. Mary's County
Level
Elementary
Grade range
PK–05
Total enrollment
479
Teachers (FTE)
27
Student–teacher ratio
17.7:1
Free/Reduced lunch
184 (38%)
Locale
42-Rural: Distant
NCES ID
240060001399
Charter school
No
Virtual school
No

Related schools

Other schools in St. Mary's County Public Schools
Other schools in Mechanicsville
Nearby schools

Frequently asked questions

About Lettie Marshall Dent Elem
How many students attend Lettie Marshall Dent Elem?
Lettie Marshall Dent Elem enrolls approximately 479 students in grades PK-05.
What grades does Lettie Marshall Dent Elem serve?
Lettie Marshall Dent Elem serves grades PK-05.
What is the student-teacher ratio at Lettie Marshall Dent Elem?
The student-to-teacher ratio at Lettie Marshall Dent Elem is approximately 17.7:1 (27 FTE teachers).
How diverse is Lettie Marshall Dent Elem?
Lettie Marshall Dent Elem reports a student body of 80% White, 6% Hispanic, 6% Black, 0% Asian, 7% Two or more.
Is Lettie Marshall Dent Elem public or private?
Lettie Marshall Dent Elem 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.
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