- Enrollment
- 3,033
- Students per teacher
- 17:1
- Resource Index
- 45/100
Middle school (grades 6-8) · Plano, TX
Armstrong Middle
Federal NCES profile for Armstrong Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 483510003955
👥 S:T ratio 53
🌟 Gifted program 70
🎓 Counselors 67
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Armstrong Middle earns 48/100 on the Resource Investment Index, with class sizes smaller than 79% of Texas schools.
- #10 of 12
- middle schools in Plano · Resource Index
- 48
- Resource Index · Typical
- 11.7:1
- small classes for Texas
- 71.7%
- free-lunch eligible
Armstrong Middle has class sizes smaller than 79% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Armstrong Middle ranks #10 of 12 middle schools in Plano, TX.
School address
CCD year-over-year · 2022-23 → 2023-24
-48 students YoY
Armstrong Middle shrank from 611 students in 2022-23 to 563 in 2023-24 (-7.9%).
Teacher FTE added 42.8 → 45.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-48 students YoY 483510003955 · Plano, TX Middle · SMALL · TRAD
490 enr · 11.7:1 · 71.7% lunch · RII 48
Nearest enrollment peer: Plano East Sr H S (3,033 students)
Armstrong Middle shrank from 611 students in 2022-23 to 563 in 2023-24 (-7.9%). Teacher FTE added 42.8 → 45.0 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Armstrong Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Plano East Sr
Plano East Sr H S
3,033 students
- Plano West Sen
Plano West Senior H S
2,559 students
- Plano Sr H S
Plano Sr H S
2,267 students
- Shepton H S
Shepton H S
1,360 students
- Jasper H S
Jasper H S
1,301 students
- This school 490
Armstrong Middle
490 students
What this shows Armstrong Middle reports 490 students on the CCD universe file.
How Armstrong Middle compares
Armstrong Middle is a shrinking campus on CCD: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.7:1 | ▼ 20% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 71.7% | ▲ 16% | 61.9% | 51.7% |
| Enrollment | 490 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.7:1
Leaner classes than 78% of US schools, among the more generously staffed nationally.
490
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
71.7%
free-lunch eligible
- 16% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
11.7:1
students per teacher
- 20% below state mean
Top 21% in Texas - lower ratio than 79% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,384
per pupil, district-wide
- below Texas avg of $14,348
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 163 students, the combined health-and-guidance staffing load for this school.
Discipline context
88
in-school suspensions + 99 out-of-school
Suspension rate: 18.0 per 100 students. Combined in-school and out-of-school rate: 38.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 59.2%
White 15.9%
African American 15.5%
Asian 6.9%
Two or More 2.0%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 59.2% of enrollment.
Student-body diversity index 59.5/100
Simpson diversity index - at 59.5, Armstrong Middle is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
District finance for Plano Isd reports $11,384 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Armstrong Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plano East Sr H S | Larger | Lower economic need | Higher S:T ratio |
| Plano West Senior H S | Larger | Lower economic need | Higher S:T ratio |
| Plano Sr H S | Larger | Lower economic need | Higher S:T ratio |
| Shepton H S | Larger | Lower economic need | Higher S:T ratio |
| Jasper H S | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Armstrong Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,559
- Students per teacher
- 17.2:1
- Resource Index
- 46/100
- Enrollment
- 2,267
- Students per teacher
- 15.7:1
- Resource Index
- 46/100
- Enrollment
- 1,360
- Students per teacher
- 14.8:1
- Resource Index
- 43/100
- Enrollment
- 1,301
- Students per teacher
- 17.6:1
- Resource Index
- 54/100
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 (~490 students)
Frequently asked questions about Armstrong Middle
How many students attend Armstrong Middle?
Armstrong Middle has 490 students enrolled. It is a middle school in Plano, TX. CCD year-over-year: 611 (2022-23) → 563 (2023-24), down 48.
What is the student-teacher ratio at Armstrong Middle?
The student-teacher ratio at Armstrong Middle is 11.7:1, which is 20% lower than the Texas average of 14.7:1 and 25% 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 Armstrong Middle?
71.7% of students at Armstrong Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Armstrong Middle?
The largest demographic group at Armstrong Middle is Hispanic or Latino at 59.2% of enrollment, in Plano, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.5/100.
What is the Resource Investment Index for Armstrong Middle?
Armstrong Middle has a Resource Investment Index of 48/100 (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 Armstrong Middle rank among middle schools in Plano?
By Resource Investment Index, Armstrong Middle ranks #10 of 12 middle schools in Plano, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Plano on the city page.
What other schools are in Plano Isd?
Besides Armstrong Middle, Plano Isd also operates Plano East Sr H S (3,033 students), Plano West Senior H S (2,559 students), and Plano Sr H S (2,267 students). See the Plano Isd district page for the complete list.