- Enrollment
- 4,411
- Students per teacher
- 17:1
- Resource Index
- 57/100
Middle school (grades 6-8) · Alexandria, VA
Twain Middle
Federal NCES profile for Twain Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
The verdict
Twain Middle earns 62/100 on the Resource Investment Index, with class sizes near the Virginia median. It is also more racially and ethnically mixed than most Virginia schools.
- #3 of 7
- middle schools in Alexandria · Resource Index
- 62
- Resource Index · Higher
- 14.5:1
- students per teacher
- 30.7%
- free-lunch eligible
Twain Middle has class sizes near the Virginia median. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Twain Middle ranks #3 of 7 middle schools in Alexandria, VA.
School address
NCES ID 510126000576 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Twain Middle held near 986 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE added 71.0 → 80.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 510126000576 · Alexandria, VA Middle · MID · TRAD
1,026 enr · 14.5:1 · 30.7% lunch · RII 62
Nearest enrollment peer: Lake Braddock Secondary (4,411 students)
Twain Middle held near 986 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE added 71.0 → 80.3 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Twain Middle 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 1,026
Twain Middle
1,026 students
What this shows Twain Middle reports 1,026 students on the CCD universe file.
How Twain Middle compares
Twain Middle 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 | 14.5:1 | ▲ 4% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 30.7% | ▼ 47% | 57.6% | 51.7% |
| Enrollment | 1,026 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 31.5% of enrollment.
Simpson diversity index - at 75.3, Twain Middle is more mixed than the Virginia school average of 53.7.
Programs
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 Twain Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Braddock Secondary | Larger | Lower economic need | Higher S:T ratio |
| Robinson Secondary | Larger | Lower economic need | Higher S:T ratio |
| Hayfield Secondary | Larger | Similar economic need | Higher S:T ratio |
| Chantilly High | Larger | Lower economic need | Higher S:T ratio |
| West Springfield High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Twain Middle'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
Similar middle schools in Alexandria
6 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~1,026 students)
Frequently asked questions about Twain Middle
How many students attend Twain Middle?
Twain Middle has 1,026 students enrolled. It is a middle school in Alexandria, VA. CCD year-over-year: 988 (2022-23) → 986 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Twain Middle?
The student-teacher ratio at Twain Middle is 14.5:1, which is 4% higher than the Virginia average of 13.9:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Twain Middle?
30.7% of students at Twain Middle are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Twain Middle?
The largest demographic group at Twain Middle is White at 31.5% of enrollment, in Alexandria, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.3/100.
What is the Resource Investment Index for Twain Middle?
Twain Middle has a Resource Investment Index of 62/100 (higher 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 Twain Middle rank among middle schools in Alexandria?
By Resource Investment Index, Twain Middle ranks #3 of 7 middle schools in Alexandria, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Alexandria on the city page.
What other schools are in Fairfax County Public Schools?
Besides Twain Middle, 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.