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Parents: what's one thing you'd want the TRAILSIDE MIDDLE administration to hear?
Community prompt from u/allk12. Replies below.
Enrollment
1,131
Middle
DISTRICT 1,057 · STATE 750
SCHOOL COMMUNITY·LOUDOUN COUNTY PUBLIC SCHOOLS·NCES 510225002965
Trailside Middle
20325 Claiborne Parkway, Ashburn, VA 20147 · (571) 252-2280 · Loudoun County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL1,131 STUDENTS
Student : Teacher
13.3:1
85 FTE teachers
DISTRICT 13.0:1 · STATE 13.1:1
Free / Reduced Lunch
22%
245 students
DISTRICT 31% · STATE 66%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 334 | 30% |
| Grade 7 | 393 | 35% |
| Grade 8 | 404 | 36% |
Student demographics
68%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · 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
91.0%
VA avg 74.2% . +6.0pp since 2022
Math
89.0%
VA avg 72.7% . +12.0pp since 2022
What this means: On the SOL, Virginia's statewide test, about 91 of every 100 students at this school read and write at grade level and about 89 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 6 points since 2022, while math scores are up about 12 points.
SOL results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 91.0% | 89.0% |
| 2023-24 | 85.0% | 82.0% |
| 2022-23 | 85.0% | 77.0% |
% 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
85.4%
composite math + reading, all grades
Predicted
82.2%
based on VA schools with similar FRL share
Beats by
+3.2pp
above demographic expectation
What this means: About 85% of students here test proficient in math and reading, compared with the roughly 82% 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 Trailside Middle
Trailside Middle's state test result (85.4% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Trailside Middle this school | 1,131 | 21.7% | 85.4% |
| Belmont Ridge Middle Leesburg | 1,071 | 21.6% | 84.1% |
| Frost Middle Fairfax | 1,272 | 15.9% | 87.7% |
| Thoreau Middle Vienna | 1,239 | 18.8% | 85.5% |
| Gainesville Middle Gainesville | 1,403 | 24.5% | 84.8% |
| Ronald Wilson Reagan Middle Haymarket | 1,436 | 16.9% | 85.1% |
Matched among Virginia middle 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 Trailside Middle ranks
Among middle schools| Measure | This school | In Virginia | In Loudoun County |
|---|---|---|---|
| State test proficiency ranked highest first | 85.4% | #35 of 337 | #8 of 17 |
| Math proficiency ranked highest first | 89.0% | #16 of 342 ▲ 46 | #2 of 18 ▲ 6 |
| Reading proficiency ranked highest first | 91.0% | #10 of 342 ▲ 33 | #2 of 18 ▲ 6 |
| Enrollment ranked largest first | 1,131 | #50 of 343 | #8 of 18 |
| Students per teacher ranked fewest first | 13.3:1 | #168 of 327 | #10 of 18 |
| Diversity index ranked most diverse first | 67.7% | #94 of 333 | #9 of 18 |
| Free and reduced lunch ranked highest share first | 21.7% | #304 of 340 | #8 of 18 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.4% | #150 of 224 | #10 of 13 |
Ranked against other public middle 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
1,131
-100 (-8%) vs 2020
Student : Teacher
13.3:1
was 12.7:1
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 | 1,131 | 85.3 | 13.3:1 | 22% (245) |
| 2023-24 | 1,159 | 81.4 | 14.2:1 | 18% (212) |
| 2022-23 | 1,148 | 80 | 14.3:1 | 19% (222) |
| 2020-21 | 1,231 | 97 | 12.7:1 | N/A |
| 2017-18 | 1,222 | 103.8 | 11.8:1 | 11% (130) |
| 2015-16 | 1,191 | 87 | 13.7:1 | 9% (110) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Trailside Middle.
Since 2017-18: students down 7% (1,222 to 1,131); teachers down 18% (103.8 to 85.3).
About Trailside Middle
Trailside Middle is a large middle-grades school in Ashburn, Virginia, administered by Loudoun County Public Schools. The school teaches grades 6 through 8 and enrolls 1,131 students. The school is 51% bigger than the average for middle schools in Virginia.
Trailside Middle is one school in Loudoun County Public Schools, a system of 98 schools with 81,486 students.
About 49% of students at Trailside Middle are White, the largest single group. It is also 24% Asian, 14% Hispanic, 6% multiracial, and 6% Black. Among Loudoun County residents, the White share is about 53%. On a 0 to 100 scale, the school's diversity index is 68, compared with 70 nationally.
Staffing at Trailside Middle comes to 85.3 full-time-equivalent teachers, or 13.3:1. That is in line with the 13.1:1 average for middle schools in Virginia. Trailside Middle counts 22% of students as eligible for free or reduced-price lunch.
On BeatsExpectations, Trailside Middle is 3.2 points above its prediction, a result in the middle 80% of Virginia schools.
In Loudoun County, where the school is located, the median household earns about $181,765 a year, roughly 65% of adults have a four-year degree or more, and the share of residents below the poverty line is 3%. Public schools in Loudoun County number 103, with about 81,486 students.
Newton-Lee Elementary is about 0.1 miles from Trailside Middle, the shortest distance to any other public school. A five-mile radius around the school includes at least 8 other public schools. Of the 9 nearby schools with scores, including this one, Trailside Middle is 4th on average proficiency.
Under the NCES locale system, Trailside Middle is Suburb: Large.
Between 2020-21 and 2024-25, Trailside Middle had a net loss of 100 students, or 8%.
The discussion board for Trailside Middle is open to topics like pickup and drop-off, after-school programs, and teacher feedback. Teachers and staff are welcome to share updates too.
Loudoun County at a glance
View full county profilePopulation
432,998
Census ACS
Median income
$181,765
Household, ACS
Bachelor's+
65%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
103
81,486 students
Quick facts
Related schools
Other schools in Loudoun County Public Schools
- Independence HighHigh · 2,166 students
- Lightridge HighHigh · 2,030 students
- Freedom HighHigh · 1,885 students
- Briar Woods HighHigh · 1,862 students
- John Champe HighHigh · 1,851 students
- Riverside HighHigh · 1,710 students
Other schools in Ashburn
- Independence HighHigh · 2,166 students
- Briar Woods HighHigh · 1,862 students
- Stone Bridge HighHigh · 1,629 students
- Rock Ridge HighCombined · 1,599 students
- Broad Run HighHigh · 1,558 students
- Eagle Ridge MiddleMiddle · 1,258 students
Nearby schools
- Newton-Lee Elementary0.1 mi · 505
- Belmont Station Elementary0.5 mi · 605
- Stone Bridge High0.6 mi · 1,629
- Sanders Corner Elementary1.3 mi · 503
- Cedar Lane Elementary1.3 mi · 701
- Ashburn Elementary1.4 mi · 513
Frequently asked questions
About Trailside MiddleHow many students attend Trailside Middle?
Trailside Middle enrolls approximately 1,131 students in grades 06-08.
What grades does Trailside Middle serve?
Trailside Middle serves grades 06-08.
What is the student-teacher ratio at Trailside Middle?
The student-to-teacher ratio at Trailside Middle is approximately 13.3:1 (85 FTE teachers).
What is the racial breakdown of students at Trailside Middle?
At Trailside Middle, the student body is approximately 49% White, 14% Hispanic, 6% Black, 24% Asian, 6% Two or more.
Is Trailside Middle public or private?
Trailside Middle is a public K-12 school, overseen by Loudoun County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.