1
What's the vibe like in the hallways at C.A. Sinclair Elementary right now?
Community prompt from u/allk12. Replies below.
Enrollment
636
Elementary
DISTRICT 636 · STATE 499
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
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 25 | 4% |
| Kindergarten | 106 | 17% |
| Grade 1 | 93 | 15% |
| Grade 2 | 99 | 16% |
| Grade 3 | 102 | 16% |
| Grade 4 | 99 | 16% |
| Grade 5 | 112 | 18% |
This year's kindergarten class (106) is 5% smaller than its 5th grade class (112).
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 71% · 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
SOL 2024-25 . % PassingEnglish Language Arts
73.0%
VA avg 74.2% . +7.0pp since 2022
Math
75.0%
VA avg 72.7% . +4.0pp since 2022
What this means: On the SOL, Virginia's statewide test, about 73 of every 100 students at this school read and write at grade level and about 75 of 100 do math at grade level. Across all Virginia schools, those numbers are about 74 and 73. Reading and writing scores are up about 7 points since 2022, while math scores are up about 4 points.
SOL results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 73.0% | 75.0% |
| 2023-24 | 75.0% | 79.0% |
| 2022-23 | 66.0% | 71.0% |
% Passing, all students and all tested grades.
Source: SOL. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 78% of students here test proficient in math and reading, compared with the roughly 69% typical for Virginia 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 Virginia'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 C.A. Sinclair Elementary
C.A. Sinclair Elementary's state test result (78.4% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| C.A. Sinclair Elementary this school | 636 | 70.6% | 78.4% |
| George P. Mullen Elementary Manassas | 667 | 69.7% | 60.1% |
| Innovation Elementary Manassas | 565 | 70.8% | 68.6% |
| Centre Ridge Elementary Centreville | 635 | 73.1% | 64.0% |
| Forestdale Elementary Springfield | 537 | 73.9% | 48.3% |
| Brookfield Elementary Chantilly | 684 | 81.9% | 48.8% |
Matched among Virginia 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 C.A. Sinclair Elementary ranks
Among elementary schools| Measure | This school | In Virginia | In Prince William County |
|---|---|---|---|
| State test proficiency ranked highest first | 78.4% | #353 of 1,101 | #29 of 64 |
| Math proficiency ranked highest first | 75.0% | #541 of 1,111 ▼ 159 | #40 of 64 ▼ 17 |
| Reading proficiency ranked highest first | 73.0% | #515 of 1,111 ▼ 53 | #39 of 64 ▼ 1 |
| Enrollment ranked largest first | 636 | #286 of 1,176 | #30 of 64 |
| Students per teacher ranked fewest first | 14.7:1 | #712 of 1,105 | #18 of 64 |
| Diversity index ranked most diverse first | 64.9% | #410 of 1,106 | #41 of 64 |
| Free and reduced lunch ranked highest share first | 70.6% | #657 of 1,157 | #22 of 64 |
| Enrollment change since 2017-18 ranked steepest decline first | -15.0% | #299 of 759 | #17 of 45 |
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
636
-154 (-19%) vs 2020
+34% since 1990-91, when it was 473
Student : Teacher
14.7:1
was 13.4:1
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 | 636 | 43.3 | 14.7:1 | 71% (449) |
| 2023-24 | 673 | 44.3 | 15.2:1 | 93% (627) |
| 2022-23 | 818 | 52.8 | 15.5:1 | 80% (653) |
| 2020-21 | 790 | 59 | 13.4:1 | N/A |
| 2017-18 | 748 | 54.3 | 13.8:1 | 79% (589) |
| 2015-16 | 779 | 50 | 15.6:1 | 80% (622) |
| 2010-11 | 720 | 48 | 15.0:1 | 69% (496) |
| 2000-01 | 468 | 28 | 16.7:1 | 27% (126) |
| 1990-91 | 473 | 23 | 20.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for C.A. Sinclair Elementary.
Since 2017-18: students down 15% (748 to 636); teachers down 20% (54.3 to 43.3).
About C.A. Sinclair Elementary
Located in Manassas, Virginia, C.A. Sinclair Elementary is a mid-sized elementary school. Enrollment stands at 636 students, covering pre-K through 5. The school is 27% larger than the average for elementary schools in Virginia.
Prince William County Public Schools runs C.A. Sinclair Elementary along with 94 other schools, enrolling 90,242 students in total.
The student body at C.A. Sinclair Elementary is 53% Hispanic. The school is also 20% Asian, 13% Black, 8% White, and 5% multiracial. The Hispanic share of the county population is lower, at 26%. On a 0 to 100 scale, the school's diversity index is 65, compared with 70 nationally.
C.A. Sinclair Elementary reports a ratio of 14.7 students per teacher, from 43.3 full-time-equivalent teachers. Across elementary schools in Virginia, the average ratio is 13.8:1. Lunch program data show 71% of students are eligible for free or reduced-price meals. The average for public schools in Prince William County is 55%.
Schools in Virginia with a similar free or reduced-price lunch share are predicted to score about 68.9%. C.A. Sinclair Elementary scores 78.4%.
For the population of Prince William County, the median household earns about $131,402 a year, a bachelor's degree or higher is held by about 45% of adults, and the poverty rate is about 5%. Across Prince William County, 102 public schools serve about 89,591 students.
Unity Braxton Middle is about 0.3 miles from C.A. Sinclair Elementary, the shortest distance to any other public school. The five-mile area around C.A. Sinclair Elementary holds at least 8 other public schools. The nearest schools with test data average 59.8%, lower than C.A. Sinclair Elementary's 78.4%.
Federal records code the school's setting as Suburb: Large.
Over 4 years, enrollment fell by 154 students, from 790 to 636. From 2020-21 to 2024-25, the ratio increased from 13.4:1 to 14.7:1.
Parents, students, and staff can share information on pickup and drop-off, after-school programs, and teacher feedback here. Parents, students, alumni, and staff are welcome to post.
Prince William County at a glance
View full county profilePopulation
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
Related schools
Other schools in Prince William County Public Schools
- Charles J. Colgan Sr. HighHigh · 2,956 students
- Woodbridge HighHigh · 2,898 students
- Osbourn Park HighHigh · 2,661 students
- Gainesville HighHigh · 2,648 students
- Gar-Field HighHigh · 2,524 students
- Forest Park HighHigh · 2,343 students
Other schools in Manassas
- Charles J. Colgan Sr. HighHigh · 2,956 students
- Osbourn Park HighHigh · 2,661 students
- Osbourn HighHigh · 2,301 students
- Unity Reed HighHigh · 2,042 students
- Parkside MiddleMiddle · 1,352 students
- Louise A. Benton MiddleMiddle · 1,339 students
Nearby schools
- Unity Braxton Middle0.3 mi · 1,055
- West Gate Elementary0.7 mi · 482
- Innovation Elementary0.8 mi · 565
- Sudley Elementary1.2 mi · 623
- George P. Mullen Elementary1.3 mi · 667
- Suella G. Ellis Elementary1.4 mi · 403
Frequently asked questions
About C.A. Sinclair ElementaryHow 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.