- Enrollment
- 4,411
- Students per teacher
- 17:1
- Resource Index
- 57/100
High school (grades 9-12) · Mclean, VA
Langley High
Federal NCES profile for Langley High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510126000517
👥 S:T ratio 26
🌟 Gifted program 30
🎓 Counselors 38
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Langley High earns 43/100 on the Resource Investment Index, with class sizes larger than 98% of Virginia schools. It is also one of the largest schools in Virginia.
- #8 of 8
- public schools in Mclean · Resource Index
- 43
- Resource Index · Typical
- 18.6:1
- large classes for Virginia
- 3.3%
- free-lunch eligible
Langley High has class sizes larger than 98% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Langley High ranks #8 of 8 public schools in Mclean, VA.
School address
District: Fairfax County Public Schools · Virginia
NCES ID 510126000517 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+13 students YoY
Langley High held near 2,136 students from 2022-23 to 2023-24 (+13 headcount).
Teacher FTE added 117.0 → 121.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+13 students YoY 510126000517 · Mclean, VA High · LARGE · TRAD
2,181 enr · 18.6:1 · 3.3% lunch · RII 43
Nearest enrollment peer: Lake Braddock Secondary (4,411 students)
Langley High held near 2,136 students from 2022-23 to 2023-24 (+13 headcount). Teacher FTE added 117.0 → 121.4 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Langley High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lake Braddock
Lake Braddock Secondary
4,411 students
- Robinson Secon
Robinson Secondary
3,710 students
- Hayfield Secon
Hayfield Secondary
3,256 students
- Chantilly High
Chantilly High
2,937 students
- West Springfie
West Springfield High
2,799 students
- This school
Langley High
2,181 students
What this shows Langley High reports 2,181 students on the CCD universe file.
How Langley High compares
Langley High held steady on CCD headcount: ratios and free-lunch share vs Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.6:1 | ▲ 34% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 3.3% | ▼ 94% | 57.6% | 51.7% |
| Enrollment | 2,181 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.6:1
Leaner classes than 22% of US schools, heavier class loads than most.
2,181
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
3.3%
free-lunch eligible
- 94% below the Virginia average of 57.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.6:1
students per teacher
- 34% above state mean
Top 98% in Virginia - lower ratio than 2% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
8.8%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$18,975
per pupil, district-wide
- above Virginia avg of $15,892
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors7.0 FTE
Per 312 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 8 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 50.2%
Asian 32.3%
Two or More 7.8%
Hispanic or Latino 6.9%
African American 2.3%
American Indian / Alaska Native 0.5%
Largest group: White at 50.2% of enrollment.
Student-body diversity index 63.2/100
Simpson diversity index - at 63.2, Langley High is more mixed than the Virginia school average of 53.7.
Programs
AP courses offered 31
District finance for Fairfax County Public Schools reports $18,975 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Langley High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Braddock Secondary | Larger | Higher economic need | Lower S:T ratio |
| Robinson Secondary | Larger | Similar economic need | Lower S:T ratio |
| Hayfield Secondary | Larger | Higher economic need | Similar S:T ratio |
| Chantilly High | Larger | Higher economic need | Lower S:T ratio |
| West Springfield High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Langley High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,710
- Students per teacher
- 17.1:1
- Resource Index
- 54/100
- Enrollment
- 3,256
- Students per teacher
- 17.3:1
- Resource Index
- 53/100
- Enrollment
- 2,937
- Students per teacher
- 16.2:1
- Resource Index
- 47/100
- Enrollment
- 2,799
- Students per teacher
- 18.5:1
- Resource Index
- 45/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,181 students)
Similar student-teacher ratio (~18.6:1)
Frequently asked questions about Langley High
How many students attend Langley High?
Langley High has 2,181 students enrolled. It is a high school in Mclean, VA. CCD year-over-year: 2,123 (2022-23) → 2,136 (2023-24), nearly flat (+13).
What is the student-teacher ratio at Langley High?
The student-teacher ratio at Langley High is 18.6:1, which is 34% higher than the Virginia average of 13.9:1 and 18% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Langley High?
3.3% of students at Langley High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Langley High?
The largest demographic group at Langley High is White at 50.2% of enrollment, in Mclean, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.2/100.
What is the Resource Investment Index for Langley High?
Langley High has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Langley High rank among public schools in Mclean?
By Resource Investment Index, Langley High ranks #8 of 8 public schools in Mclean, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mclean on the city page.
What other schools are in Fairfax County Public Schools?
Besides Langley High, Fairfax County Public Schools also operates Lake Braddock Secondary (4,411 students), Robinson Secondary (3,710 students), and Hayfield Secondary (3,256 students). See the Fairfax County Public Schools district page for the complete list.