- Enrollment
- 4,411
- Students per teacher
- 17:1
- Resource Index
- 57/100
Middle school (grades 6-8) · Springfield, VA
Key Middle
Federal NCES profile for Key Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Key Middle earns 55/100 on the Resource Investment Index, with class sizes near the Virginia median.
- #5 of 24
- public schools in Springfield · Resource Index
- 55
- Resource Index · Higher
- 13:1
- students per teacher
- 67.6%
- free-lunch eligible
Key Middle has class sizes near the Virginia median. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Key Middle ranks #5 of 24 public schools in Springfield, VA.
School address
NCES ID 510126000511 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+8 students YoY
Key Middle held near 688 students from 2022-23 to 2023-24 (+8 headcount).
Teacher FTE added 54.0 → 63.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+8 students YoY 510126000511 · Springfield, VA Middle · MID · TRAD
700 enr · 13:1 · 67.6% lunch · RII 55
Nearest enrollment peer: Lake Braddock Secondary (4,411 students)
Key Middle held near 688 students from 2022-23 to 2023-24 (+8 headcount). Teacher FTE added 54.0 → 63.7 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Key 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 700
Key Middle
700 students
What this shows Key Middle reports 700 students on the CCD universe file.
How Key Middle compares
Key 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 | 13:1 | ▼ 6% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 67.6% | ▲ 17% | 57.6% | 51.7% |
| Enrollment | 700 | top 32% | - | - |
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: Hispanic or Latino at 58.6% of enrollment.
Simpson diversity index - at 60.5, Key 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 Key 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 | Lower 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 Key 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 Springfield
1 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 (~700 students)
Frequently asked questions about Key Middle
How many students attend Key Middle?
Key Middle has 700 students enrolled. It is a middle school in Springfield, VA. CCD year-over-year: 680 (2022-23) → 688 (2023-24), nearly flat (+8).
What is the student-teacher ratio at Key Middle?
The student-teacher ratio at Key Middle is 13:1, which is 6% lower than the Virginia average of 13.9:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Key Middle?
67.6% of students at Key Middle are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Key Middle?
The largest demographic group at Key Middle is Hispanic or Latino at 58.6% of enrollment, in Springfield, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.5/100.
What is the Resource Investment Index for Key Middle?
Key Middle has a Resource Investment Index of 55/100 (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 Key Middle rank among public schools in Springfield?
By Resource Investment Index, Key Middle ranks #5 of 24 public schools in Springfield, 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 Springfield on the city page.
What other schools are in Fairfax County Public Schools?
Besides Key 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.