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C.A. Sinclair Elementary
Test scores
SOL 2024-25 . % PassingBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About 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.
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Prince William County at a glance
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