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SCHOOL COMMUNITY·PRINCE WILLIAM COUNTY PUBLIC SCHOOLS·NCES 510313001289

C.A. Sinclair Elementary

7801 Garner Dr, Manassas, VA 20109 · (703) 361-4811 · Prince William County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL636 STUDENTS
Enrollment
636
Elementary
DISTRICT 636 · STATE 499
Student : Teacher
14.7:1
43 FTE teachers
DISTRICT 15.8:1 · STATE 13.8:1
Free / Reduced Lunch
71%
449 students
DISTRICT 57% · STATE 66%
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
25
Kindergarten
106
Grade 1
93
Grade 2
99
Grade 3
102
Grade 4
99
Grade 5
112
Student demographics
White
538%
DISTRICT 26% · STATE 43%
Hispanic
33953%
DISTRICT 37% · STATE 20%
Black
8513%
DISTRICT 19% · STATE 21%
Asian
12720%
DISTRICT 12% · STATE 8%
Two+
315%
DISTRICT 6% · STATE 7%
Pacific Islander
10%
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
31850%
Female
31850%

Discussions

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Test scores

SOL 2024-25 . % Passing
English Language Arts
73.0%
VA avg 74.2% . +7.0pp since 2022
Math
75.0%
VA avg 72.7% . +4.0pp since 2022
Source: SOL. 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
78.4%
composite math + reading, all grades
Predicted
68.9%
based on VA schools with similar FRL share
Beats by
+9.5pp
above 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
636
-112 (-15%) vs 2017
Student : Teacher
14.7:1
was 13.8:1
% White
8%
was 12%
% Hispanic
53%
was 62%
% Black
13%
was 14%
% Asian
20%
was 9%
Source: NCES Common Core of Data

About C.A. Sinclair Elementary

C.A. Sinclair Elementary, a moderately sized elementary campus in Manassas, Virginia, run under Prince William County Public Schools, teaches 636 students, covering grades pre-K through 5. That puts it 27% above the typical public school in Virginia, which averages around 499 students.

Across the 95 schools in Prince William County Public Schools (90,242 students total), C.A. Sinclair Elementary accounts for its share of the district's footprint.

In terms of who attends, C.A. Sinclair Elementary records that 53% of students identify as Hispanic, with the remaining enrollment distributed across several groups. The remainder breaks down as 20% Asian, 13% Black, 8% White, 5% multiracial. By comparison, Prince William County as a whole is about 26% Hispanic, so the school skews considerably more Hispanic than its surroundings.

On the income-and-resources front, The school currently runs with 43 full-time-equivalent teachers, for a student-teacher ratio near 14.7:1. That figure is higher than the state norm's 13.8:1 average. Roughly 71% of students at C.A. Sinclair Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. Set against Prince William County (around 55%), the school's rate is north of typical.

With demographic context factored in, C.A. Sinclair Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 68.9%, the actual is 78.4%, a residual of +9.5 points.

In the broader community, ACS estimates for Prince William County put median household income runs about $131,402, roughly 45% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. C.A. Sinclair Elementary is one of 102 public schools in Prince William County (combined enrollment of about 89,591 students).

Unity Braxton Middle is the nearest neighboring public school, about 0.3 miles from this campus. Counting just inside five miles, 8 other public schools cluster around C.A. Sinclair Elementary. Among the 9 schools in that immediate cluster with test data (this one included), C.A. Sinclair Elementary ranks 1st on composite proficiency, higher than the local average of 59.8%.

The school occupies an outer-ring site.

Five-year trend. Over the past 7-year window, the student count contracted 15%: 748 students in 2018 compared to 636 in 2025. The Asian share of enrollment grew from 9% to 20% over that span.

Inside the community feed, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.

Prince William County at a glance

View full county profile
Population
488,880
Census ACS
Median income
$131,402
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
102
89,591 students

Quick facts

School name
C.A. Sinclair Elementary
District
Prince William County Public Schools
Address
7801 Garner Dr, Manassas, VA 20109
Phone
(703) 361-4811
County
Prince William County
Level
Elementary
Grade range
PK–05
Total enrollment
636
Teachers (FTE)
43
Student–teacher ratio
14.7:1
Free/Reduced lunch
449 (71%)
Locale
21-Suburb: Large
NCES ID
510313001289
Charter school
No
Virtual school
No

Related schools

Other schools in Prince William County Public Schools
Other schools in Manassas
Nearby schools

Frequently asked questions

About C.A. Sinclair Elementary
How large is C.A. Sinclair Elementary?
C.A. Sinclair Elementary enrolls approximately 636 students in grades PK-05.
What age range does C.A. Sinclair Elementary serve?
C.A. Sinclair Elementary serves students from grade PK through grade 05.
How many students per teacher at C.A. Sinclair Elementary?
Approximately 14.7:1 students per teacher at C.A. Sinclair Elementary.
How diverse is C.A. Sinclair Elementary?
C.A. Sinclair Elementary reports a student body of 8% White, 53% Hispanic, 13% Black, 20% Asian, 5% Two or more.
What district is C.A. Sinclair Elementary in?
C.A. Sinclair Elementary is part of Prince William County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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