- Enrollment
- 2,935
- Students per teacher
- 17.8:1
- Resource Index
- 44/100
Other / mixed grade configuration · Sachse, TX
John W Armstrong El
Federal NCES profile for John W Armstrong El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 482034009200
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
John W Armstrong El earns 46/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. It is also more racially and ethnically mixed than most Texas schools.
- #1 of 4
- schools in Sachse · Resource Index
- 46
- Resource Index · Typical
- 16.5:1
- large classes for Texas
- 35.3%
- free-lunch eligible
John W Armstrong El has class sizes larger than 76% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, John W Armstrong El ranks #1 of 4 schools in Sachse, TX.
School address
CCD year-over-year · 2022-23 → 2023-24
-24 students YoY
John W Armstrong El held near 735 students from 2022-23 to 2023-24 (-24 headcount).
Teacher FTE lost 44.7 → 44.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-24 students YoY 482034009200 · Sachse, TX Other · MID · TRAD
724 enr · 16.5:1 · 35.3% lunch · RII 46
Nearest enrollment peer: Sachse H S (2,935 students)
John W Armstrong El held near 735 students from 2022-23 to 2023-24 (-24 headcount). Teacher FTE lost 44.7 → 44.3 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
John W Armstrong El in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Sachse H S
Sachse H S
2,935 students
- N Garland H S
N Garland H S
2,929 students
- Garland H S
Garland H S
2,335 students
- Rowlett H S
Rowlett H S
2,156 students
- Lakeview Cente
Lakeview Centennial H S
2,073 students
- This school 724
John W Armstrong El
724 students
What this shows John W Armstrong El reports 724 students on the CCD universe file.
How John W Armstrong El compares
John W Armstrong El held steady on CCD headcount: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 12% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 35.3% | ▼ 43% | 61.9% | 51.7% |
| Enrollment | 724 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
724
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
35.3%
free-lunch eligible
- 43% below the Texas average of 61.9%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.5:1
students per teacher
- 12% above state mean
Top 76% in Texas - lower ratio than 24% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$12,534
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
Counselors2.0 FTE
Per 362 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 0 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 33.7%
Hispanic or Latino 23.9%
Asian 21.3%
African American 13.5%
Two or More 6.5%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 33.7% of enrollment.
Student-body diversity index 76.1/100
Simpson diversity index - at 76.1, John W Armstrong El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
District finance for Garland Isd reports $12,534 per pupil (NCES F-33) - open the district page for the full revenue mix.
How John W Armstrong El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sachse H S | Larger | Similar economic need | Similar S:T ratio |
| N Garland H S | Larger | Higher economic need | Similar S:T ratio |
| Garland H S | Larger | Higher economic need | Similar S:T ratio |
| Rowlett H S | Larger | Higher economic need | Lower S:T ratio |
| Lakeview Centennial H S | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to John W Armstrong El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,929
- Students per teacher
- 17.6:1
- Resource Index
- 41/100
- Enrollment
- 2,335
- Students per teacher
- 15.1:1
- Resource Index
- 36/100
- Enrollment
- 2,156
- Students per teacher
- 14.7:1
- Resource Index
- 38/100
- Enrollment
- 2,073
- Students per teacher
- 14.5:1
- Resource Index
- 39/100
Nationwide other 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 (~724 students)
Frequently asked questions about John W Armstrong El
How many students attend John W Armstrong El?
John W Armstrong El has 724 students enrolled. It is a public school in Sachse, TX. CCD year-over-year: 759 (2022-23) → 735 (2023-24), nearly flat (-24).
What is the student-teacher ratio at John W Armstrong El?
The student-teacher ratio at John W Armstrong El is 16.5:1, which is 12% higher than the Texas average of 14.7:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at John W Armstrong El?
35.3% of students at John W Armstrong El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of John W Armstrong El?
The largest demographic group at John W Armstrong El is White at 33.7% of enrollment, in Sachse, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.1/100.
What is the Resource Investment Index for John W Armstrong El?
John W Armstrong El has a Resource Investment Index of 46/100 (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 John W Armstrong El rank among schools in Sachse?
By Resource Investment Index, John W Armstrong El ranks #1 of 4 schools in Sachse, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Sachse on the city page.
What other schools are in Garland Isd?
Besides John W Armstrong El, Garland Isd also operates Sachse H S (2,935 students), N Garland H S (2,929 students), and Garland H S (2,335 students). See the Garland Isd district page for the complete list.